SEIKO ASTRON NEXTER This watch embodies the "strength" that expresses the aspirations of users with strong convictions, and the "harmony" demanded of the next generation. It pursues the coexistence of these two elements through advanced technology and design. This is a new era wristwatch that Seiko Astron has arrived at, symbolizing Seiko's advanced technology. The retail price is 220,000 yen. This is an unused item with the original protective film still attached. It functions perfectly, including solar power. ● Caliber No: 8B63 ● Drive System: Solar radio wave correction ● Duration: Approximately 9 months when fully charged, approximately 2 years in power save mode ● Accuracy: ±15 seconds per month (when not receiving radio waves) ● Case Material: TIHC (SG display plate) on the bezel, TIHC on the body, TIHC on the back cover (full metal case) ● Glass Material: Sapphire glass ● Glass Coating: Super-clear coating ● Back Cover: Dab ● Lumibrite: Yes (hands and indexes) ● Water Resistance: Reinforced water resistance for daily life (10 bar) ● Magnetic Resistance: Yes ● Band Material: Metal ● Band Adjustment: C-ring method ● Clasp Structure: One-push three-fold clasp ● Case Size: (Thickness) 11.4mm x (Width) 43mm x (Length) 47.9mm ● Weight: 105g ● Wrist Circumference (Maximum): 195mm ● Screw-down crown ● Metal allergy resistant ● Smart adjuster mechanism clasp ● Overcharge prevention function ● Instant start function ● Power save function ● Full auto calendar function (until December 31, 2099) ● Retrograde day of the week function ● World time function (25 time zones) ● Dual time display function ● Radio wave correction function (receives standard radio waves from Japan, China, America, Germany, and the UK) ● Automatic reception function ● Forced reception function ● Reception result display function ● Reception level display function ● Automatic hand position correction function ● Calendar (date and day of the week) function ● Eco Mark Content: Natural energy ● Country of Origin: MADE IN JAPAN