The Seiko Astron GPS solar collection continues to lead in precision and practicality for global travellers. The SSJ015J effortlessly connects to the GPS network, instantly adjusting to any time zone with the push of a button, powered solely by light energy. Its latest sleek design is lightweight and comfortable on the wrist, crafted from a durable, scratch-resistant material used for both the case and bracelet, offering a weight reduction of 40% compared to steel. Enhanced durability ensures long-lasting perfection with a super-hard coating on every surface to prevent scratches, complemented by a water resistance rating of 10 bar. - Calibre 3X62 - Solar - Powered by Any Light Source - Accuracy /-1 second every 100,000 years (with daily automatic time adjustment) - 41.2mm Case Size - 12.2mm Case Thickness - Titanium Bracelet & Additional Silicone Band - Sapphire Glass with Super Clear Coating - World Time: Astron GPS Solar pinpoints your location and identifies your exact time zone by receiving GPS signals from 4 or more GPS satellites. Manual Time Adjustment is available. Daylight Saving Auto Adjustment. - 100 Meters Water Resistant