Grand Seiko Sport Blue Automatic Spring Drive 3-Day GMT
Description
Designed for underwater adventures, the Grand Seiko Sport collection is the preferred choice of today’s avid explorer, demanding function and form in equal measures. Presented on a sleek stainless steel case featuring a navy bezel, the uncluttered dial displays time using classic baton watch markers and date display at 4 o'clock. Exterior Case Material : Stainless steel with ceramic bezel Glass Material : Dual-curved sapphire crystal Glass Coating : Anti-reflective coating on inner surface Lumi Brite : Lumibrite on hands and indexes Case size : Diameter 40. 5mm × Thickness 14. 7mm Clasp type : Three-fold clasp with push button release Movement Calibre no. : 9R66 Instructions Movement Type : Spring Drive Power reserve : Approx. 72 hours(3 days) Accuracy : ±1 second per day / ±15 seconds per month (average) Functions Water resistance : 20 bar Magnetic resistance : Equipped Weight : 172. 0 g Other details / Features: 24-hour hand (dual time display function) 30 jewels Calendar-linked time difference adjustment function Case back with lion emblem Date display Power reserve display Screw case back Screw-down crown Stop seconds hand function Calibre 9R66: In 2006, just two years after the completion of Calibre 9R65, Grand Seiko's first 9R Spring Drive movement with GMT function, the Calibre 9R66, was unveiled. "GMT" stands for Greenwich Mean Time, and uses a 24-hour hand (GMT hand) as the fourth hand on the watch dial in addition to the hour, minute and second hands.
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