SEIKO Astron GPS Solar 2025 Limited Edition SSH185J1Collection: Astron GPS Solar 2025 Limited Edition (1,200 pieces) Crystal: Dual curved sapphire with super clear coating Dial: Horizontal pattern with intermittent lines and light green accents Movement: GPS Solar (Caliber 5X83); power reserve approx. 6 months fully charged 2 years in power save mode; 14 jewels; accuracy 15 sec per month without GPS signal Functions: GPS signal reception; world time (38 cities); dual time; chronograph (12 hours);