The Seiko Astron SSH107J1 5X Dual-Time GPS Solar Chronograph Men Watch combines cutting-edge satellite technology with timeless design. Powered by the solar calibre 5X53, it delivers dual-time functionality, world time in 38 cities, and a perpetual calendar accurate until 2100. With daily GPS updates, it achieves accuracy of ±1 second every 100,000 years. The 42.7mm titanium case with super-hard coating is paired with a silver dial and sapphire crystal for durability and clarity. Complete with a titanium bracelet, power reserve indicator, and 100-meter water resistance, this Astron is built for global precision and everyday wear.