Grand Seiko Heritage

The Grand Seiko Heritage, reference STGF302, has a rose gold case measuring 26 mm in diameter and is set with diamonds. Timekeeping is provided by quartz calibre 4J52, which operates with a precision of ±10 seconds per year. Case thickness is 9.1 mm, with a lug-to-lug measurement of 32.5 mm; water resistance is rated to 100 metres; this model has a date display. The mother-of-pearl dial, case and crown are set with a total of 63 diamonds. The crocodile leather strap closes with a folding clasp in rose gold. The dial is covered by a dual-curved sapphire crystal with an inner anti-reflective coating.