Watch Specifications
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 is expansive watchmaking portfolio.
Product Description
Grand Seiko Heritage Collection SBGA443 Spring drive watch
Product specification
- Exterior
- Glass material: Box type sapphire
- Coating: Anti-reflective coating on the inside
- Case size: Width 40mm x Thickness 12.8mm
- Nakadome: One-push three-fold method
- Movement: 9R659R65 Instruction Manual
- Drive system : Spring drive
- Drive time: Maximum winding time lasts about 72 hours (about 3 days)
- function
- waterproof : Enhanced water resistance for daily life (10 bar)
- Magnetic resistance: can be
- others :
- See-through back
- Screw back
- Screw lock type crown
- With calendar (date) function
- 30 stones
- Second hand stop function
- Metal allergy resistance
- Power reserve display function
- With the back lid lion coat of arms