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 Sport Collection SBGE305 Spring Drive GMT Caliber 9R 20th anniversary limited watch
Product specification
- ?Exterior
- Exterior: Stainless steel bezel: ceramics
- Back lid specifications: screw back
- Glass material: dual curve sapphire
- coating: Internal anti-reflective coating
- Lumibrite: Available (needle/index)
- Case size: Width 40.5mm Height 48.7mm Thickness 14.7mm
- Bandwidth: 20mm
- Nakadome: One-push three-fold method
- Movement
- Movement: 9R66 Instructions
- Drive system: Spring drive automatic winding (with manual winding)
- Driving period: Lasts approximately 72 hours (approximately 3 days) at maximum winding
- Accuracy: The average monthly difference is ?¡§¡è15 seconds (the daily difference is equivalent to ?¡§¡è1 second)
- Functions
- water proof: Reinforced waterproof for daily life (20 atm)
- Anti-magnetic: can be
- weight: 172 g
- others:
- Back cover "LIMITED EDITION" notation
- With serial number on the back cover
- Screw lock crown
- Number of stones: 30 stones
- 24 hour hand (dual time display function)
- Power reserve display function
- Calendar-linked time difference correction function
