Watch SSE149J1 Astron. Movement: caliber 8X42, quartz, 6 months power reserve when fully charged. Functions: hours, minutes, seconds, big date, power reserve indicator, perpetual calendar, world time, second time zone, day/night indicator, GPS time synchronization. Case: steel, ceramic bezel. Size: 46 mm. Water resistance: 100 m. Strap: steel bracelet.
Features: the watch corrects the time using the GPS signal, so the accuracy error is 1 s per 100,000 years, the watch is charged by sunlight, the watch has an energy saving function: after a few days in the dark, the watch falls asleep while continuing to count the correct time.