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Grand Seiko

STGF385

Also sold as STGF385G

Availability unknown All STGF references →
Caliber
4J52
Case diameter
28.9mm
Water resistance
100 m
Crystal
Dual-curved sapphire crystal

Grand Seiko STGF385: caliber 4J52, 28.9 mm case, 100 m water resistance.

Where to buy

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Specifications

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

Movement

Caliber
4J52
Movement
Quartz

Case & crystal

Case material
Stainless steel
Case diameter
28.9mm
Case thickness
8.8mm
Lug to lug
35.4mm
Lug width
14mm
Crystal
Dual-curved sapphire crystal

Resistance

Water resistance
100 m
Magnetic resistance
4,800 A/m

Catalogue

Family
STGF
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Variants Same watch, different market or bracelet

Reference Edition Region Band Clasp Weight
STGF385G G — — Folding clasp with push button release 72g

More Grand Seiko STGF references