Grand Seiko Heritage

The Grand Seiko Heritage, reference SBGV205, has a steel case measuring 40 mm in diameter. The case measures 10.4 mm thick and 46.2 mm lug-to-lug; water resistance is rated to 100 metres. Timekeeping is provided by quartz calibre 9F82, which operates with a precision of ±10 seconds per year. The watch has a date display; the case combines Zaratsu-polished mirror surfaces with hairline finishing, and the hour markers are multifaceted. A dual-curved sapphire crystal has an anti-reflective coating on the inner surface. The steel bracelet has a folding clasp with push button release.