Grand Seiko SBGH257

Case

Case: High-intensity titanium
Glass: Sapphire crystal
Coating: Anti-reflection coating on inner surface
Lumi Brite: Hands and markers
Case size: Diameter 46.9mm×Thickness 17.0mm
The perimeter of bracelet: 195.0mm
Band: High-intensity titanium

Movement

Movement: Caliber 9S85
Driving system: Automatic
Power reserve: Approximately 55 hours
Accuracy: -3 to 5 seconds (when static)

Functions/Specifications

Clasp: Three-fold clasp with push button release, secure lock and slide adjuster
Water resistance: 600m for saturation diving
Magnetic resistance: 16,000 A/m
Weight: 174.0 g