Grand Seiko Heritage

The Grand Seiko Heritage, reference STGF300, has a yellow gold case measuring 26 mm in diameter and is set with diamonds. The case measures 9.1 mm thick and 32.5 mm lug-to-lug; water resistance is rated to 100 metres; the watch has a date display. A dual-curved sapphire crystal has an anti-reflective coating on the inner surface. The crocodile leather strap has a folding clasp in yellow gold. The mother-of-pearl dial, case and crown are set with a total of 63 diamonds. Timekeeping is provided by quartz calibre 4J52, which operates with a precision of ±10 seconds per year.