Description
A Spring Drive GMT for the next generation
Equipped with a GMT hand, this watch features Grand Seiko’s unique Spring Drive caliber, which combines the motive force of a mainspring with the high precision of a quartz watch.
Housed in a water-resistant stainless steel case with ceramic bezel, a 24-hour GMT hand and Lumibrite indices for exceptional precision and legibility complemented by the smooth motion glide of Spring Drive.
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 脳 Thickness 14.7mm
Clasp type : Three-fold clasp with push button release
Movement
Caliber no. : 9R66 Instructions
Movement Type : Spring Drive
Power reserve : Approx. 72 hours(3 days)
Accuracy : 卤1 second per day / 卤15 seconds per month (average)
Functions
Water resistance : 20 bar
Magnetic resistance : Equipped
Weight : 172.0 g
Other details / Features :
銉?4-hour hand (dual time display function)
銉?0 jewels
銉籆alendar-linked time difference adjustment function
銉籆ase back with lion emblem
銉籇ate display
銉籔ower reserve display
銉籗crew case back
銉籗crew-down crown
銉籗top second hand function
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