Key Takeaways
1. Seiko is launching new watch lines in early 2026, including the “Raise the Future” collection with radio-wave controlled solar technology.
2. The collection features two models, SBTM363 and SSDY053, both with black sunray dials and stainless steel cases.
3. SBTM363 measures 37 mm in diameter and is a limited release of 800 pieces; SSDY053 is 28 mm and has only 600 pieces available.
4. Both models include sapphire crystals, are water-resistant up to 10 bar (100 meters), and have unique serial numbers on their case backs.
5. The watches rely on ambient light for power and feature mechanisms to prevent overcharging and ensure accurate needle alignment.
Seiko is once again taking advantage of the early part of 2026 to showcase several new lines, including the stunning light blue-dialled open heart chronographs. This year, they are also launching the “Raise the Future” collection, which includes two new models that utilize radio-wave controlled solar technology along with matching design aesthetics. The SBTM363 and the SSDY053 both showcase black sunray dials adorned with silver Arabic numerals and a date display at the 3 o’clock mark. These timepieces are crafted from stainless steel and come with black leather straps that feature contrasting stitching. These watches are designed to connect with radio signals for precise timekeeping without requiring any manual settings, relying solely on ambient light for power.
Specifications of the SBTM363
The SBTM363 has a case that measures 37 mm in diameter, 8.7 mm thick, and has a lug-to-lug distance of 43.6 mm. It runs on the 7B62 radio-sync solar caliber. This particular model is a limited release, with only 800 pieces available. On the other hand, the SSDY053 is a more compact version, featuring a case that is 28 mm in diameter, 8.3 mm thick, and a lug-to-lug length of 34.6 mm. It operates on the 1B21 radio-sync solar caliber and has an even smaller limited edition of just 600 units produced.
Features and Water Resistance
Both watches are fitted with sapphire crystals that enhance scratch resistance and are rated for water resistance up to 10 bar (100 meters). The stainless steel case backs are engraved with “Limited Edition” and unique serial numbers. As solar watches that are radio-controlled, both models include features that prevent overcharging and ensure the automatic alignment of the needle position for long-term accuracy and reliability.
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