Grand Seiko

Grand Seiko SBGH271

ESTERNO

Exterior:	Stainless steel
Case back:	See-through & Screw case back
Glass Material:	Box shaped sapphire crystal
Glass Coating:	Anti-reflective coating on inner surface
Case size:	Diameter 40.0mm Lug-to-lug 47.0mm Thickness 12.9mm
Band width:	21mm
Clasp type:	Three-fold clasp with push button release
The perimeter of Band:	190mm

MOVIMENTO

Caliber no.:	9S85
Movement Type:	Automatic with manual winding
Power reserve:	Approx. 55 hours
Mean daily rate:	+5 to -3 seconds per day Mean daily rate is a mean value of daily rates in a condition where the movement before assembly in a case is measured in six positions in a fixed manner under artificially controlled environment for 12 days.
Normal usage accuracy:	+8 to -1 seconds per day

FUNZIONI

Water resistance:	10 bar