Case : Stainless steel
Glass : High definition dual-curved sapphire crystal
Coating : Anti-reflection coating on inner surface
Lumi Brite : Hands and markers
Case size : Diameter 44.0mm×Thickness 14.7mm
The perimeter of bracelet : 191.0mm
Band : Stainless steel


Movement : Caliber 9R66    Instructions
Driving system : Spring Drive
Power reserve : Approximately 72 hours
Accuracy : ±1 per day (±15 seconds per month)


Clasp : Three-fold clasp with push button release
Water resistance : 20 bar
Magnetic resistance : 4800 A/m (60 gauss)
Weight : 177.0 g
Remarks : Rotating basel (24hour display)
Screw down crown
Screw back
Jewels: 30
Dual time function with 24-hour display
Power reserve display function
Quick correction function of time difference adjusting to a calender

Grand Seiko SBGE201