Grand Seiko

Specifications

Case

Case	High-intensity titanium Case back: High-intensity titanium and sapphire crystal
Glass	High definition dual-curved sapphire crystal
Coating	Anti-reflection coating on inner surface
Case size	Diameter 41 mm × Thickness 12.5 mm
Lug to lug	49 mm
The perimeter of band	193 mm
Band	High-intensity titanium

 

Movement

Movement	Caliber 9R65    Instructions
Driving system	Spring Drive
Power reserve	Approximately 72 hours
Accuracy	±1 seconds per day (±15 seconds per month)

 

Functions/Specifications

Clasp	Three-fold clasp with push button release
Water resistance	10 bar
Magnetic resistance	4800 A/m (60 gauss)
Weight	100.0 g
Remarks	Screw down crown Screw back See-through back Anti-metal allergy Jewels: 30 Power reserve display function