Watch Specifications
Maker
GRAND SEIKO
Movement
9R65 Instruction Manual
Accuracy range
Average monthly difference ?¨¤ 15 seconds
Dial
silver Color
Luminous
Anti-reflective coating on the inside
Case
Stainless steel and sapphire glass
Crown type
Screw lock type crown
Lug width
About 175 mm
Crystal material
Dual-curve sapphire
Strap
Black Color
Water resistance
water resistance to 10 bar
Dimensions
Case size (width x thickness): 40 x 12.3 mm
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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 SBGA437 Heritage Collection Spring Drive watch
Product specification
- model Grand Seiko
- Heritage Collection Spring Drive
- Model number (Ref.) SBGA437
- Case material stainless
- Dial color Silver ("Thick silver radiation" dial)
- Case size Width 40mm x Thickness 12.3mm
- Movement Spring Drive Cal.9R65
- Drive time Lasts up to 72 hours (about 3 days) when hoisting
- accuracy Average monthly difference ?¨¤ 15 seconds (equivalent to daily difference ?¨¤ 1 second)
- waterproof Enhanced waterproof for daily life (10 bar)
- Other
- Screw lock type crown
- With calendar (date) function
- 30 stones
- Second hand stop function
- Power reserve display function
- Back lid with lion coat of arms
- Screw back (There are individual differences in the orientation of the back lid due to manufacturing reasons)
