ASTRON GPS SOLAR

The Seiko Astron SSH161 features the Caliber 5X83 GPS Solar movement, automatically adjusting time and time zones via GPS satellites for worldwide precision. It delivers ±15 seconds per month accuracy without GPS reception and offers up to 6 months of power, extended to 2 years in power-save mode. Key functions include a 12-hour chronograph (1/20 sec), perpetual calendar to 2100, world time for 38 cities, dual time, power-reserve display, and automatic DST adjustment. The 42 mm super-hard-coated titanium case (12.4 mm thick) ensures lightness, durability, and a modern technical look.