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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