Description
The Seiko Astron SSH185J is a masterpiece of advanced horology, combining cutting-edge technology with refined craftsmanship. Powered by light through Seiko’s solar technology, it houses the Calibre 5X83 — a GPS Dual Time Chronograph movement that achieves astonishing accuracy of ±1 second every 100,000 years with automatic daily time adjustments. Its dual time functionality allows for seamless switching between time zones, while the perpetual calendar automatically corrects for months and leap years until 2100, ensuring ultimate precision and convenience for the global traveler.
Encased in durable black titanium, the watch features a sleek 43.4mm design complemented by a black and white ceramic-titanium bracelet. The dual curved sapphire crystal with Super Clear Coating enhances legibility, while Lumibrite-coated hands and markers ensure visibility in all lighting conditions. The black textured dial displays a harmonious blend of sophistication and function, offering indicators for date, day, AM/PM, and a 12-hour chronograph measuring up to 1/20th of a second.
The SSH185J also delivers practical resilience, offering 100 metres of water resistance and a power reserve of up to two years. With Astron’s world time function, it can identify your exact time zone anywhere on Earth using GPS signals from four or more satellites, even adjusting automatically for daylight saving. As a limited edition of just 1,200 pieces worldwide, this watch represents a rare fusion of innovation, exclusivity, and the pioneering spirit that defines Seiko Astron.

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