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GRAND SEIKO SBGH257

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Specifications

Case
CaseHigh-intensity titanium
GlassSapphire crystal
CoatingAnti-reflection coating on inner surface
Lumi BriteHands and markers
Case sizeDiameter 46.9 mm × Thickness 17.0 mm
The perimeter of bracelet195.0 mm
BandHigh-intensity titanium

 

Movement
MovementCaliber 9S85    Instructions 
Driving systemAutomatic
Power reserveApproximately 55 hours
Accuracy-3 to 5 seconds(when static)

 

Functions/Specifications
ClaspThree-fold clasp with push button release, secure lock and slide adjuster
Water resistance600m for saturation diving
Magnetic resistance16,000 A/m
Weight174.0 g

Description

The Hi-Beat 36000 Professional 600m Diver’s

A limited edition leads the way forward.

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 groove on the rotating bezel ensures 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.

Every component is built to last, but all divers know that their watch needs regular maintenance, just like every other device on which his or her life may depend. This is why the case, stem and crown are designed for secure servicing and even the bezel has a four-part design that makes for easy disassembly and re-assembly.

The dial is made of pure iron in order to protect the movement from the harmful effects of magnetism. It delivers safe and secure use during diving and thanks to the lightness of the titanium, every-day usability is also assured.

It has the distinctive clean edges and distortion-free mirror surfaces that only Zaratsu polishing can deliver.

The dial and strap of the limited edition are made in the exclusive color that signifies craftsmanship and tradition in Japan and is the signature color of Grand Seiko. It comes with an extra-strength silicone strap, in the deep Grand Seiko blue to match the dial so that you can change the appearance of the watch at will.

Additional information

Weight1 kg
Dimensions5 × 5 × 2 cm

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