Showing the single result
Contact us Read more
GRAND SEIKO SBGJ231
Case Stainless steel Case back: Stainless steel and sapphire crystal Glass Dual-curved sapphire crystal Coating Anti-reflection coating on inner surface Case size Height 46.2 mm x Diameter 40.0 mm × Thickness 14.0 mm The perimeter of bracelet 200.0 mm Band Stainless steel
Movement Caliber 9S86 Driving system Mechanical automatic with manual winding Power reserve Approximately 55 hours Accuracy +5 to -3 seconds per day (when static) Note: This accuracy is the result of measuring the loss/gain of the time for seventeen days before the inside movements of the watch are put in the case. The measurement has been done in the factory where temperatures or position of the movements are controlled. When the watch is actually worn, the accuracy should be from -1 second/day to +10 seconds/day (-1 second/day to +8 seconds/day for Cal.9S85, 9S86).
Clasp Three-fold clasp with push button release Water resistance 10 bar Magnetic resistance 4800 A/m (60 gauss) Remarks GMT hand Screw down crown See-through back Screw back Jewels: 37 Tri-fold push button release clasp Caseback with lion emblem 24 hour hand (dual time display function) Stop second hand function Quick correction function of time difference adjusting to a calendar