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Grand Seiko Heritage

Grand Seiko Heritage

QuartzSteel

Ref. SBGP001

Collection: HeritageCase size: 40mmMovement: 9F85

The Grand Seiko Heritage, reference SBGP001, has a 40 mm steel case. The case has a thickness of 11.1 mm and a lug-to-lug span of 46.2 mm; water resistance is rated to 100 metres; the lug width is 19 mm. A dual-curved sapphire crystal has an anti-reflective coating on the inner surface. The watch has a date display; the watch has magnetic resistance. A folding clasp with push button release closes the steel bracelet. Timekeeping is provided by quartz calibre 9F85, which has a precision of ±10 seconds per year.

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Last updated 9 Oct 2026Suggest a correction

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