Description
Grand Seiko Evolution 9 – Spring Drive Chronograph SBGC251
Case
Case Material : High-Intensity Titanium
Case Diameter : 45.3mm
Case Thickness : 15.8mm
Case Length : 52.6mm
Lug Width : 23mm
Crown : Screw Down
Strap/Bracelet : High-Intensity Titanium w. three-fold clasp
Crystal : Dual-Curved Sapphire
Caseback : High-Intensity Titanium with Sapphire Crystal
Special : Sapphire Bezel Insert
Movement
Caliber : 9R86
Type : Spring Drive
Power Source : Automatic
Jewels : 50
Accuracy : 卤1 second per day / 卤15 seconds per month (average)
Duration : 72 Hours
Functions
Features : Time, Date, Power Reserve Indicator, Stopwatch, GMT
Water Resistance : 100m
Magnetic Resistance : 4,800 A/m
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