Grand Seiko Heritage

The Grand Seiko Heritage, reference STGF299, has a white gold case measuring 26 mm in diameter and is set with diamonds. The mother-of-pearl dial, case and crown are set with a total of 63 diamonds. The lug-to-lug measurement is 32.5 mm, and case thickness is 9.1 mm; water resistance is rated to 100 metres; the watch has a date display. Above the dial is a dual-curved sapphire crystal, with anti-reflective coating on its inner surface. A folding clasp in white gold closes the crocodile leather strap. Timekeeping is provided by quartz calibre 4J52, which operates with a precision of ±10 seconds per year.