What are the case specifications of the Grand Seiko Heritage 44GS?

The Grand Seiko Heritage 44GS features a 40mm diameter, 13.3mm thick, Steel case with a sapphire crystal crystal.

What is the water resistance of the Grand Seiko Heritage 44GS?

The Grand Seiko Heritage 44GS has a water resistance rating of 100m (swimming).

What movement does the Grand Seiko Heritage 44GS use?

The Grand Seiko Heritage 44GS is powered by a Automatic, caliber 9S85, 55h power reserve.

Grand Seiko Heritage 44GS

AutomaticSteel

Ref. SBGH345

Collection: HeritageCase size: 40mmMovement: 9S85

The Grand Seiko Heritage 44GS, reference SBGH345, has a 40 mm steel case. Self-winding calibre 9S85 has 37 jewels and approximately 55 hours of power reserve. The case measures 13.3 mm thick and 46.2 mm lug-to-lug; water resistance is rated to 100 metres; the case has a screw-down crown. A dual-curved sapphire crystal has an anti-reflective coating on the inner surface. The watch has a date display and a see-through case back. The dial evokes morning sunlight falling on Mount Iwate. A steel bracelet closes with a folding clasp with push button release.

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Last updated 9 Oct 2026Suggest a correction