What are the case specifications of the Grand Seiko Heritage?

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

What is the water resistance of the Grand Seiko Heritage?

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

What movement does the Grand Seiko Heritage use?

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

Grand Seiko Heritage

AutomaticTitanium

Ref. SBGH243

Collection: HeritageCase size: 40mmMovement: 9S85

The Grand Seiko Heritage, reference SBGH243, has a 40 mm titanium case. Calibre 9S85 is self-winding with 37 jewels and approximately 55 hours of power reserve. Above the dial is a dual-curved sapphire crystal, with anti-reflective coating on its inner surface. The watch has a date display and a see-through case back. The lug-to-lug measurement is 46.2 mm, and case thickness is 13.3 mm; water resistance is rated to 100 metres; the case has a screw-down crown. Long, slender hour markers appear on the dial, and a folding clasp with push button release closes the titanium bracelet.

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Last updated 9 Oct 2026Suggest a correction