Grand Seiko Heritage

The Grand Seiko Heritage, reference STGF359, has a steel case measuring 28.9 mm in diameter. Timekeeping is provided by quartz calibre 4J52, which operates with a precision of ±10 seconds per year. The case measures 8.7 mm thick and 35.4 mm lug-to-lug; water resistance is rated to 100 metres. A dual-curved sapphire crystal has an anti-reflective coating on the inner surface; the watch has a date display. The Snowflake dial pattern takes inspiration from wind-swept snow in the Hotaka mountains. A steel bracelet closes with a folding clasp with push button release.