Grand Seiko Heritage - SBGR315G Automatic Watch
Automatic 3-Day Power Reserve - Caliber 9S65
Caliber 9S65 is automatic movement that typifies the whole 9S mechanical series. It is similar in design to the first generation of 9S calibers but offers enhanced performance. MEMS (Micro Electro Mechanical System) is a technology first developed for semi-conductor manufacturing. It is used in the production of the escapement of Caliber 9S65 as it allows the creation of components that are lighter, of more complex shapes and more precisely engineered. While the winding system of its predecessor, Caliber 9S55, used Grand Seiko's Magic Lever mechanism, Caliber 9S65 uses a reverser gear train system. Hardening the components allowed greater durability for this reverser. Reference: SBGR315G- Home Delivery
- Click & Collect
Product Information
Grand Seiko Heritage - SBGR315G Automatic Watch
Grand Seiko Heritage Collection Mechanical Watch
Specifications
Exterior
- Exterior: Stainless steel
- Case back: See-through & Screw case back
- Glass Material: Dual-curved sapphire crystal
- Glass Coating: Anti-reflective coating on inner surface
- Case size: Diameter 40.0mm Lug-to-lug 46.6mm Thickness 13.0mm
- Band width: 20mm
- Clasp type: Three-fold clasp with push button release
- The perimeter of Band: 195mm
Movement
- Caliber no.: 9S65 Instructions
- Movement Type: Automatic with manual winding
- Power reserve: Approx. 72 hours(3 days)
- 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.)
Functions
- Water resistance: 10 bar
- Magnetic resistance: 4,800 A/m
- Screw-down crown
- 35 jewels
| Brand | Grand Seiko |
|---|---|
| Material | Stainless Steel |
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