ABOUT THIS BRAND
Grand Seiko released its first watch in 1960, challenging the perception that the Swiss were the undisputed masters of fine watchmaking. In the nearly 60 years since the first Grand Seiko, the company has become known the world over for producing some of the most elegantly designed timepieces in the world while developing innovative technologies such as Spring Drive. Even while maintaining its high quality standards, it delivers tons of value in its watches, making it popular with collectors at all levels. In 2017, Grand Seiko became its own brand within Seiko??£¤s expansive watchmaking portfolio.
Product Description
?Grand Seiko Heritage Collection SBGY011 spring drive 9R31 watch 2022.12 released
Product specification
- ?Exterior
- Outerwear: Stainless steel case back: stainless steel and sapphire glass
- Back cover specifications: See-through screw back
- Glass material: box sapphire
- coating: Inner non-reflective coating
- Case size: Width 40.0mm Height 46.2mm Thickness 10.5mm
- Bandwidth: 19mm
- Band material: crocodile
- Nakadome: One-push three-fold method
- Arm Circumference (Longest): 195mm
- Movement
- Movement: 9R31 Instructions
- Moving method: spring drive hand winding
- Driving period: About 72 hours (about 3 days) at maximum winding
- Accuracy: Average monthly difference ?¡§¡è 15 seconds (daily difference ?¡§¡è 1 second equivalent)
- Functions
- water proof: Reinforced waterproof for everyday life (10 bar)
- Magnetic resistance: can be
- weight: 77 g
- others:
- 30 stones
- Power reserve display function
