Description
Grand Seiko ‘Rikka’ – SBGH271G Mechanical Hi-Beat Watch
Grand Seiko The ‘Rikka’ Summer Breeze Hi Beat Mechanical
Specifications
Exterior
- 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
Movement
- 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.)
- Normal Usage Accuracy: +8 to -1 seconds per day
Functions
- Water resistance: 10 bar
- Magnetic resistance: 4,800 A/m
- Weight: 153 g
- Screw-down crown
- 37 jewels
Reference: SBGH271G