Grand Seiko

SBGW283

Also sold as SBGW283G

Availability unknown All SBGW references

Caliber: 9S64
Case diameter: 37.3mm
Water resistance: Splash resistant
Power reserve: 72h

Grand Seiko SBGW283: caliber 9S64, 37.3 mm case, Splash resistant water resistance.

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Specifications

Specifications from Grand Seiko, last seen 2026-09-21.

Movement

Caliber: 9S64 All 9S64 watches
Movement: Hand-wound mechanical
Power reserve: 72h

Case & crystal

Case material: Stainless steel
Case diameter: 37.3mm
Case thickness: 11.7mm
Lug to lug: 44.3mm
Lug width: 19mm
Crystal: Box shaped sapphire crystal

Resistance

Water resistance: Splash resistant
Magnetic resistance: 4,800 A/m

Catalogue

Family: SBGW

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Variants

Same watch, different market or bracelet

Reference	Edition	Region	Band	Clasp	Weight
SBGW283G	G	—	Crocodile leather	—	61g

More Grand Seiko SBGW references