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 SBGJ263 Mechanical 10 bar watch 2023.04released
Product specification
- Exterior: Ever Brilliant Steel Case back: Ever brilliant steel and sapphire glass
- Back cover specifications: See-through screw back
- Glass material: dual curve sapphire
- coating: Inner non-reflective coating
- Case size: Width 40.0mm Length 46.2mm Thickness 14.0mm
- Bandwidth: 19mm
- Nakadome: One-push three-fold method
- Movement
- Movement: 9S86 Instructions
- Driving mode: Mechanical automatic winding (with manual winding)
- Driving period: Lasts about 55 hours at maximum winding
- Static Accuracy: Average daily difference 5 seconds to -3 seconds
- Based on Grand Seiko's own standards, this is the accuracy when the movement is measured before shipment from the factory under the conditions of 6 position differences and 3 temperature differences. It differs from the accuracy (mobile accuracy) under the environment where the customer actually uses it. In addition, due to the characteristics of the mechanical model, depending on the usage conditions (carrying time, temperature, arm movement, strong shock or vibration), the above accuracy may be exceeded.
- Functions
- water proof: Reinforced waterproof for everyday life (10 bar)
- Magnetic resistance: can be
- weight: 159 g
- others:
- screw lock crown
- Stone number 37 stone
- 24 hour hand (dual time display function)
- Calendar linked time difference correction function
