Grand Seiko Heritage

The Grand Seiko Heritage, reference SBGV225, has a steel case measuring 40 mm in diameter. Timekeeping is provided by quartz calibre 9F82, which operates with a precision of ±10 seconds per year. The dial is covered by a sapphire crystal with an inner anti-reflective coating. The steel bracelet has a folding clasp with push button release. This model has a date display; magnetic resistance is 4,800 A/m. The 10 mm case thickness accompanies a lug-to-lug measurement of 46.8 mm; water resistance is rated to 100 metres. The dial has hands and indices with chamfered surfaces.