Seiko Astron GPS Solar 42mm

Experience effortless global accuracy with the Seiko Astron SSJ039J GPS Solar, a refined expression of Seiko’s pioneering watch technology. Powered by advanced GPS Solar Calibre 3X62, this timepiece automatically adjusts to your time zone anywhere on Earth while remaining solar powered with no battery changes required. The lightweight titanium case and bracelet offer exceptional comfort, complemented by a clean, highly legible dial with date display and luminous hands and markers. Finished with scratch-resistant sapphire crystal and 100 m water resistance, the SSJ039J delivers precision, durability and understated sport-luxury style—perfect for modern travellers and everyday wear. Limited to 1,500 pieces worldwide.