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. SBGH245

Collection: HeritageCase size: 40mmMovement: 9S85

The Grand Seiko Heritage, reference SBGH245, has a 40 mm titanium case. 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. Approximately 55 hours of power reserve is provided by self-winding calibre 9S85, with 37 jewels. The watch has a date display and a see-through case back; long, slender hour markers stand on the dial. A dual-curved sapphire crystal has an anti-reflective coating on the inner surface. The titanium bracelet has a folding clasp with push button release.

Add to my inventory

Free account required - pre-fills all specs automatically

Last updated 9 Oct 2026Suggest a correction