A Spring Drive GMT with refined design
At first glance, the exquisite form of the watch brings to mind a standard Spring Drive model, but what sets it apart is the red 24-hour hand contrasting with the black watch face. This watch asserts its GMT capability with a quiet yet unwavering confidence, a powerful partner as
you take on the world.
|Case back:||See-through & Screw case back|
|Glass Material:||Dual-curved sapphire crystal|
|Glass Coating:||Anti-reflective coating on inner surface|
|Case size:||Diameter 41.0mm Lug-to-lug 49.0mm Thickness 13.8mm|
|Clasp type:||Three-fold clasp with push button release|
|The perimeter of Band:||197mm|
|Caliber no.:||9R66 Instructions|
|Movement Type:||Spring Drive|
|Power reserve:||Approx. 72 hours(3 days)|
|Accuracy:||±15 seconds per month (±1 second per day)|
|Water resistance:||10 bar|
|Magnetic resistance:||4,800 A/m|
|Other details / Features:||
The three movements at the heart of Grand Seiko
One of the world's foremost mechanical movements, the culmination of high-precision micro-engineering and the attention to detail of Grand Seiko's expert watchmakers.
Spring Drive is a unique movement that delivers one-second-a-day precision, using just the power of a mainspring.