Watches with leather straps and quick release clasps Grand Seiko Heritage Collection Green Dial Automatic With Manual Winding SBGH271
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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
Dial Color: Green
Band width: 21mm
Clasp type: Three-fold clasp with push button release
The perimeter of Band: 190mm
Caliber no.: 9S85 Instructions
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.
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Weight: 153 g
Other details / Features: Screw-down crown, 37 jewels