Tag: Seiko Prospex

  • Seiko Prospex Shohei Ohtani Limited-Edition Automatic Watches

    Seiko Prospex Shohei Ohtani Limited-Edition Automatic Watches

    Key Takeaways

    1. Seiko has launched two limited-edition watches in the Prospex series to celebrate Shohei Ohtani, with a production limit of 1,700 units each.
    2. The watches are priced at ¥286,000 (approximately $1,836) and feature designs inspired by the Los Angeles Dodgers’ away uniforms.
    3. Both models have a stainless-steel case, 300 meters of water resistance, and are powered by Seiko’s Caliber 6R55 movement with a 72-hour power reserve.
    4. Unique features include Ohtani’s jersey number “17” on the crown, his signature on the bracelet clasp, and special packaging with his signature.
    5. The watches will be available for purchase in Japan starting April 24, 2026.


    Seiko Watch Corporation has unveiled two new limited-edition timepieces within its Prospex series to honor Shohei Ohtani’s remarkable achievements. These watches are inspired by the Diver’s 1965 Heritage model, and they are set to launch in Japan on April 24, 2026.

    Limited Availability and Pricing

    The two models, SBDC222 and SBDC224, are each restricted to a production run of 1,700 units. Both watches are priced at ¥286,000 (including tax), which is approximately $1,836. They share many of the same specifications, with the main distinction being the color of the dial.

    Design Inspirations

    The design reflects the colors of the Los Angeles Dodgers’ away uniforms, featuring grey and blue with gold highlights. Gold accents can be found on the bezel edge, crown, hands, and indexes, paying tribute to the special gold MLB logo patch worn by select award-winning athletes, including MVPs. One model boasts a silver-toned dial while the other showcases a rich blue dial, complemented by a blue bezel insert.

    Technical Specifications

    Both timepieces come with a stainless-steel case and bracelet that have been treated with Seiko’s DiaShield coating for enhanced scratch resistance. The case measures 40 mm in diameter and has a thickness of 13 mm. A curved sapphire crystal with an internal anti-reflective coating safeguards the dial, while the water resistance is rated at 300 meters, making it suitable for diving.

    The heart of these watches is Seiko’s proprietary automatic Caliber 6R55 movement. This caliber provides an impressive power reserve of about 72 hours, operates at a frequency of 21,600 vibrations per hour (equivalent to 6 beats per second), and features 24 jewels. The stated accuracy is within +25 to -15 seconds per day under standard temperature conditions while being worn.

    Unique Features and Packaging

    In addition to the distinct dial features, Ohtani’s jersey number “17” is engraved on the crown, and his signature is found on the bracelet clasp. The caseback is adorned with the engraving “Shohei Ohtani Limited Edition” along with an individual serial number. Customers will also receive a special presentation box that features Ohtani’s signature.

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  • New Seiko Prospex Limited Edition Watch Coming Soon

    New Seiko Prospex Limited Edition Watch Coming Soon

    Key Takeaways

    1. Seiko Thailand is teasing the Prospex Muay Thai Limited Edition, set to be fully revealed on November 26, 2025.
    2. The teaser features a diver watch on a boxing ring canvas, hinting at a design related to Thailand’s national sport, Muay Thai.
    3. Key themes include “heritage, respect, and fighting spirit,” though specific design details are not yet revealed.
    4. The watch may be a regional release, with uncertain availability outside Thailand.
    5. More details, including specifications and pricing, will be shared during the official reveal on Instagram.


    Seiko Thailand has shared a brief teaser for what it calls the Prospex Muay Thai Limited Edition, with a full reveal scheduled for November 26, 2025. While the post doesn’t display much, it does indicate that this release is closely linked to Thailand’s national sport of combat.

    Teaser Details

    In the video, a Prospex diver watch is positioned on what appears to be the canvas of a boxing ring, encircled by ropes and illuminated from above. The watch itself is mostly shrouded in darkness, leaving the dial colors, finishing, and design elements that typically characterize these themed models unseen. The only visible part is the outline of a standard Seiko diver’s case, suggesting that the final product will maintain a recognizable Prospex profile, as noted in the caption.

    Heritage and Design Elements

    Seiko’s caption mentions “heritage, respect, and fighting spirit,” but it does not elaborate on how these concepts will be incorporated into the design. Previous regional editions, like the Prospex Asia-Pacific versions, have utilized color accents, engravings on the caseback, and visual nods instead of significant alterations to the watch itself. This teaser does not clarify whether the Muay Thai edition will adhere to that approach or explore something different.

    Regional Release Uncertainty

    Another question is how widely this watch will be available. Seiko Thailand frequently highlights models that are exclusive to Thailand and do not reach global markets, which means this could end up being a regional release. There are no indications in the teaser about international availability.

    For now, the only confirmed information is the name of the edition and the reveal date. All other specifics—such as specs, reference number, pricing, case material, and how strongly the Muay Thai theme is incorporated—will be disclosed when Seiko Thailand provides more details in their Instagram post on November 26.

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  • Limited Edition Seiko Prospex Diver’s Watch Coming Soon

    Limited Edition Seiko Prospex Diver’s Watch Coming Soon

    Key Takeaways

    1. The Seiko Prospex 1965 Heritage Diver’s Watch SPB545 features a soft blue dial inspired by the ocean colors of Okinawa.
    2. It has a stainless steel case measuring 13.0 x 40.0 x 46.4 mm and is protected by a curved sapphire crystal.
    3. The watch is powered by an automatic 6R55 caliber with a 72-hour power reserve and features LumiBrite hands for visibility in low light.
    4. It is highly resistant to magnetic fields (up to 4,800 A/m) and can withstand water pressure up to 300 meters (1,000 feet).
    5. The watch will be available globally in December 2025, priced at $1,400, with only 4,000 limited units being produced.


    The new Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition SPB545 has just been revealed. The design draws inspiration from the beautiful colors of the ocean found in Okinawa, which is a well-known diving destination.

    Features and Design

    The SPB545 showcases a soft blue dial with a sunray texture that enhances light reflections, framed by a sleek gray bezel. It features a stainless steel case that measures 13.0 x 40.0 x 46.4 mm (around 0.5 x 1.6 x 1.8 inches), and the dial is safeguarded by a curved sapphire crystal. Additionally, it is equipped with a stainless steel bracelet that has a unique six-step adjustable clasp, ensuring a more snug fit.

    Performance and Specifications

    This model is driven by an automatic 6R55 caliber that allows manual winding. It claims to have a daily gain of no more than 25 seconds and a loss of no more than 15 seconds, along with a 72-hour power reserve. The watch includes a stop second hand feature, and the LumiBrite hands, indexes, and bezel are designed for better readability in dim conditions. It’s also highly resistant to magnetic fields up to 4,800 A/m and can withstand water pressure up to 300 meters (approximately 1,000 feet).

    Availability and Pricing

    Seiko plans to release the Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition SPB545 globally in December 2025. It will be priced at $1,400 in the United States. Customers in European nations such as the UK and Germany can already pre-order the watch for £1,300/€1,500. Notably, only 4,000 units will be made available, each with its unique serial number engraved on the back of the case.

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  • CheckMag: October 2025 Unveils All Casio & Seiko Watches

    Key Takeaways

    1. Casio’s New Releases: Casio introduced various new models across its Edifice and G-Shock collections, including hybrid chronographs and collaborations, highlighting both nostalgic designs and advanced technology.

    2. Exciting Collaborations: Notable partnerships, such as the Edifice x Honda watch and G-Shock collaborations with Daft Punk and local brands, showcase diverse designs and themes.

    3. Special Editions: Casio launched several special edition models, including those themed around environmental conservation and cultural celebrations, such as the G-Shock x Corona for Mexico.

    4. Seiko’s Diverse Offerings: Seiko released a range of watches, including the nature-themed Prospex diver collection and quirky retro designs, appealing to various collectors and enthusiasts.

    5. Premium and Affordable Options: Both brands expanded their ranges with premium limited editions and affordable digital watches, ensuring there’s something for every budget and taste in the market.


    October has been a super busy time for the Japanese watch brands Casio and Seiko, with a lot of new models being released in all their important lines. These releases include nostalgic designs, partnerships, technical improvements, and special editions. Below is a complete summary organized by collection and the order in which these models appeared or hit their main markets.

    Casio’s Edifice Collection

    This month, Casio’s Edifice line introduced new chronograph watches, advanced hybrid models, and a notable collaboration. The Edifice EFB-730L-7AV was launched along with the EFB-730D-2BV and EFB-730D-3AV, boasting a cream dial, sapphire glass, and a tan leather strap, priced at $165. The hybrid models included the metal-bezel EFV-C120P-1A2 (with a blue resin strap) and EFV-C120D-1A4 (featuring a bracelet), both offering world time and various digital display features, along with 100m water resistance and a long-lasting battery. For motorsport enthusiasts, the ECB-2300 Sospensione series (YD-1A, YDC-1A) came equipped with solar charging, Bluetooth, a sturdy 120g build, and a unique double-wishbone suspension design.

    Exciting Collaborations

    A major collaboration is the Edifice x Honda ECB-2300HR-1A, which celebrates 60 years since Honda’s first victory in Formula 1. This model features a classic racing design and includes solar and Bluetooth technology, priced around $530, with a launch set for late 2025.

    Casio’s G-Shock series showcased various tech enhancements, artist collaborations, and themes focused on environmental conservation. Earlier in the month, the GBD-200 series (GBD-200-1A1JF and 7JF) was released on Oct 17, featuring high-contrast MIP displays, Bluetooth connectivity, step tracking, and durable resin cases for ¥25,300 (about $172). The G-Shock x Pleasures DW-5600UBB-1ER, a collaboration with Daft Punk, was launched on Oct 9, showcasing the electronic duo’s logo.

    Special Editions and More

    Following those, special editions like the G-Shock x Corona GA-2100CR25-2A for Mexico (celebrating the 100th anniversary of Corona beer) debuted in blue and white, offering multi-zone alarms and gold accents. Aiming for a global launch in late 2025, the G-Shock’s Darwin Foundation GA-B2100DF highlights the Galápagos Islands, with models GA-B2100DF-4A and 1A influenced by local wildlife and made from eco-friendly bioplastic.

    Later in October, the Jae Tips x G-Shock DW-6900 made its debut at ComplexCon Las Vegas, while the SYNA DW-6900 collaboration for the UK is set for November, showcasing a burgundy finish and backlit logo that adds a musical vibe to G-Shock’s classic silhouette. The G-Shock x Evangelion (GA110EVA307A) was also released internationally with a vibrant color scheme. Additionally, the Black Tone full-metal GMW-B5000BT-1JF, GM-B2100BT-1AJF, and GMC-B2100BT-1AJF models were introduced, with the GMW-B5000BT selling out in Japan immediately upon its release.

    New Flagship Models

    The flagship GST-B1000 (G-Steel) series was officially announced in Japan and is set to launch in November for ¥66,000, featuring black, blue, and green dials, along with Tough Solar technology and Bluetooth connectivity.

    Casio’s long-lasting Vintage collection also saw several new additions this season. The sleek AQ-230EL-1A and leather-wrapped AQ-230EGL-9A hybrids went up for pre-order in Japan, offering dual analog hands and positive displays, priced between ¥6,600 and ¥7,700. The AQ-240 series (AQ-240E-3A, 7A, and 9A) comes with classic square cases and hybrid dials, costing between £54.90 (for silver) and £74.90 (for gold).

    A fresh AQ-230A-1DM has launched in the U.S. market for $59.95, featuring dual time, stopwatch functions, and a nostalgic 1980s design. The A158WETB-1A (black chrome-plated digital) is now available for $79.95 in the States. New mesh-strap editions for the A158WEM (3 and 7) and AQ-230EM (2A and 7A) are expected to be released globally by the end of the year.

    Affordable Options

    Casio’s affordable series isn’t missing out either. The new AE-1700H digital series will arrive in late 2025 for around $60 and includes long-lasting batteries, moon data, and a diver-watch-inspired design. The MTP-E510D, priced under $80, offers a chronograph style reminiscent of Edifice, with a 50m water resistance and a screw-down caseback.

    In line with the vintage theme, Casio released the CA-500WEBF Back to the Future 40th Anniversary calculator watch on Oct 21 for £115, featuring an “OUTATIME” dial, colorful buttons, engravings of the flux capacitor, and cassette-tape packaging.

    Premium Launches

    On the premium side, Oceanus introduced the limited OCW-S7000TS-1A (Manta, celebrating Tamio Okuda’s 60th anniversary, set for November 2025, with only 1,000 units available), which features radio synchronization, Bluetooth, solar charging, and an engraved sapphire bezel. The titanium OCW-S7000CN-1A and OCW-SG1000CN-1A also joined this premium lineup, showcasing ‘Edo Kiriko’ sapphire bezels, a DLC black finish, and advanced Gallium Tough Solar technology, priced between $2,050 and $4,500.

    The Pro Trek PRW-B1000 (1 and -5) finally made its international debut, featuring Bluetooth, Triple Sensor technology, solar power, and atomic time sync for $535 in the U.S.

    Seiko’s Diverse Offerings

    Seiko’s new releases demonstrate the full spectrum of their design heritage, ranging from field watches to colorful regional editions for the Asia-Pacific market. The new Prospex SPB539, SPB541, and SPB543 diver trio is powered by the 6R35 movement and is being released regionally across Asia and Oceania, with 5,500 units featuring nature-themed dials. The exclusive Prospex Alpinist SPB532J1 ‘Snow Dial’ is limited to 800 units in Southeast Asia, priced at $1,127.

    Seiko’s Power Design Project Collection 1 brings back the quirky 1984 Tissé with bead-link bracelets and quartz 4N30 movement, available in silver, black, or gold for AUD 575-650. Retro enthusiasts can also look forward to the Rotocall reissue, set for November 2025 with an estimated price of $470, featuring the 1980s NASA digital design with three color bezel options and 100m water resistance.

    Lastly, the Prospex Alpinist SPB503, SPB505, and SPB507 have returned with 6R55 movements, offering 72-hour power reserves and options in stainless steel or leather.

    With such a wide range of launches, from international collaborations and nostalgic digital watches to solar-powered chronographs and accessible mesh bands, October 2025 has proven to be one of the most exciting months in the recent history of Casio and Seiko. Every category breathed new life, featuring limited editions and exclusive regional releases. Many new models, including the Casio GW-BX5600 and GMW-BZ5000D, are expected to launch in early November, so it might be good to keep an eye on those too.

  • New Seiko Prospex Alpinist Automatic Watch with Ice-White Dial

    New Seiko Prospex Alpinist Automatic Watch with Ice-White Dial

    Key Takeaways

    1. The Seiko Prospex line is known for its durability and precision, designed for extreme conditions and everyday use.
    2. The new Thong Sia Group Exclusive Prospex Alpinist SPB532J1 features a unique snow-white textured dial, inspired by alpine scenery.
    3. This limited edition watch is only available in Malaysia, Brunei, Hong Kong, Macau, and Singapore, with just 800 units produced.
    4. The SPB532J1 is priced at $1,127.10 and comes in a special presentation box.
    5. The watch will be showcased at the Seiko Diver’s Watch 60th Anniversary celebration in Kuala Lumpur from November 3rd to 9th, 2025, and will be available from authorized dealers starting November 10th.


    The Seiko Prospex line has gained a sort of legendary reputation among fans of tool watches and divers, built over decades of dependability and highly engineered Japanese movements. The term Prospex means “Professional Specifications.” These watches are designed to endure extreme conditions in the real world, making them perfect for everyday use.

    New Addition to the Collection

    Recently, Seiko Malaysia has unveiled a new piece in the collection: the Thong Sia Group Exclusive Prospex Alpinist SPB532J1. This limited edition is inspired by the snowy summits of the tallest mountains on Earth and is exclusively available for Malaysia, Brunei, Hong Kong, Macau, and Singapore. Only a total of 800 units will be made.

    Stylish Design Features

    The standout feature of this watch is its snow-white textured “powder” dial, which aims to capture the essence of alpine scenery. This design offers a fresh perspective on the classic Alpinist series, a collection typically recognized for its green dials and compass bezels, now presented in a sleek, white-ice appearance. The SPB532J1 is easily set apart from regular models, making it especially appealing for collectors.

    Pricing and Availability

    For those interested, Seiko is presenting the limited edition with a unique presentation box, and the price of the SPB532J1 is $1,127.10. It will be featured at the Seiko Diver’s Watch 60th Anniversary celebration in Kuala Lumpur from November 3rd to 9th, 2025, and will be available at authorized dealers starting November 10th.

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  • Seiko x Datsun: Three New Limited Edition Watches Coming Soon

    Seiko x Datsun: Three New Limited Edition Watches Coming Soon

    Key Takeaways

    1. Seiko has launched three limited edition Prospex Speedtimer watches honoring the Datsun 240Z and the original Speedtimer from the late 1960s and early 1970s.
    2. The Prospex Speedtimer Compact 6R X DATSUN Fairlady Z Limited Edition (SPB517) features a black dial, stainless steel bezel, and is limited to 2,500 pieces priced at $1,150.
    3. The Prospex Speedtimer Mechanical Chronograph Datsun 240Z Limited Edition (SRQ057) is an all-black model with a tachymeter bezel, limited to 500 units, and priced at $3,200.
    4. The Prospex Speedtimer Solar Chronograph Datsun 240Z Limited Edition (SSC957) includes a tachymeter and is powered by solar energy, with 4,000 units available at $1,000.
    5. The watches will be released in September 2025, but the solar model (SSC957) is available for pre-order in select European countries.


    Seiko has introduced three new limited edition Prospex Speedtimer Datsun 240X Limited Edition timepieces. These watches pay homage to the late 1960s and early 1970s, a time when the original Speedtimer made its debut and the Datsun 240Z triumphed in the East African Safari Rally.

    Prospex Speedtimer Compact 6R X DATSUN Fairlady Z Limited Edition

    The Seiko Prospex Speedtimer Compact 6R X DATSUN Fairlady Z Limited Edition (SPB517) showcases a matte black dial adorned with the Datsun emblem, a stainless steel bezel, and a black leather strap. It is driven by a Calibre 6R55 watch movement, which allows for both automatic and manual winding, boasting a power reserve of 72 hours. This edition will be limited to 2,500 pieces, with a price tag of $1,150/£1,100/€1,250.

    Prospex Speedtimer Mechanical Chronograph Datsun 240Z Limited Edition

    Next up is the Seiko Prospex Speedtimer Mechanical Chronograph Datsun 240Z Limited Edition (SRQ057), an all-black model featuring a subtle Datsun logo on the dial. This automatic chronograph, equipped with the Calibre 8R48, includes a date display and a tachymeter bezel, allowing speed measurements from 50 to 60 kph (approximately 31 to 37 mph). This is a nod to the original Speedtimer’s bezel. Only 500 units of this watch will be produced, with a price of $3,200/£2,950/€3,500.

    Prospex Speedtimer Solar Chronograph Datsun 240Z Limited Edition

    The Seiko Prospex Speedtimer Solar Chronograph Datsun 240Z Limited Edition (SSC957) features a black dial showcasing the Datsun logo in bold letters. This watch comes with a black and silver aluminum bezel featuring a tachymeter, along with a dual-colored metal strap. Powered by the Calibre V192, this solar watch includes three smaller dials for functions like 24-hour time and a power reserve indicator. There will be 4,000 units available, retailing at $1,000/£880/€990.

    The Seiko Prospex Speedtimer Datsun 240X Limited Edition watches are set to release in September 2025. However, the solar model (SSC957) is currently available for pre-order in several European countries, including the UK and France.

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  • Seiko Launches Prospex Ladies Marine Sports Watches: 200m Water Resistance

    Seiko Launches Prospex Ladies Marine Sports Watches: 200m Water Resistance

    Key Takeaways

    1. Seiko launched the Prospex Ladies Marine Sports collection featuring three models: Silver Mother of Pearl, Blue Mother of Pearl, and Two-Tone with gold accents.

    2. Each watch is powered by Seiko’s 6N01 quartz movement, ensuring accuracy and a compact design with a 34 mm case.

    3. The watches are durable, featuring sapphire crystal and a water resistance of 20 bar (200 meters), suitable for aquatic activities.

    4. The collection offers a uniform case size of 40.8 x 34 x 8.9 mm and a power reserve of three years.

    5. All models are priced at £640 (approximately $793) and available for pre-order on Seiko’s official website.


    The Japanese luxury watch brand Seiko has launched its new Prospex Ladies Marine Sports collection. This collection includes three distinct models: one with a silver-toned Mother of Pearl dial, another with a blue Mother of Pearl, and a two-tone version featuring gold accents.

    Precision and Design

    Each watch in the Prospex Ladies Marine Sports collection is driven by Seiko’s own 6N01 quartz movement, ensuring accuracy in a sleek and compact design. These watches come with a 34 mm case and a mother-of-pearl dial, enhanced by Lumbrite-coated hands and indices to provide better visibility, even in dim lighting.

    Features and Durability

    As part of the wider Prospex range, these timepieces utilize the same durable sapphire crystal found in Seiko’s Prospex SPB381 Sea Diver watch, which is currently priced at $1,503.63 on Amazon. With a water resistance of 20 bar (approximately 200 meters), each watch is engineered for aquatic adventures. Additionally, the collection includes a slim stainless-steel bracelet that features a short pitch length for added comfort.

    Model Specifications and Pricing

    The dimensions of the cases are uniform among the models, measuring 40.8 x 34 x 8.9 mm (1.60 x 1.3 x 0.3 inches). Seiko also claims that the Prospex Ladies Marine Sports collection offers a power reserve of three years. It’s interesting to note that the three models have slight variations in their designs: the Silver and Blue tone models feature a silver and bluish hue on the dial, paired with a traditional stainless steel case and bracelet. In contrast, the Two-Tone model stands out with its gold-tone bezel and center links on the stainless steel bracelet.

    All models in this collection, specifically Seiko Prospex Ladies Marine Sports Seafoam White (SUR605J1), Aqua Blue (SUR607J1), and Two-Tone (SUR608J1), are priced at £640 (around $793) and are available for pre-order on Seiko’s official website.

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