A professional diver’s watch, made the Grand Seiko way.
This professional diver's model features Caliber 9S85 which has a precision of +5 to -3 a day. It is built to withstand pressures encountered in saturation diving, down to a depth of 600 meters.
The grooves on the rotating bezel ensure a firm grip even with thick diving gloves. Luminous markers at every ten second point on the dial ensure the legibility on which the safety of the deep sea diver depends.


Grand Seiko


Reference SBGH255

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Complication: Date display, Stop seconds hand function, Unidirectional rotating bezel, Hours Minutes and Seconds
Movement: 9S85
Power Reserve: Approx. 55 hours
Water Resistance: 600m / 2000ft for saturation diving
Case Material: High-intensity titanium
Case Diameter: Diameter 46.9mm × Thickness 17mm
Caseback: Case back with lion emblem
Dial: Black
Hands: Lumibrite on hands and indexs
Titanium, Three-fold clasp with secure lock & push button release, solid & slide adjuster