Grand Seiko Heritage

The Grand Seiko Heritage, reference SBGW291, has a steel case measuring 36.5 mm in diameter. The dial is covered by a box-shaped sapphire crystal with an inner anti-reflective coating. Manual-winding calibre 9S64 has 24 jewels and approximately 72 hours of power reserve. Case thickness is 11.6 mm, with a lug-to-lug measurement of 42.7 mm; water resistance is rated to 100 metres; the watch has magnetic resistance. Faceted hands and indices accompany a sunray dial pattern and Zaratsu-polished case surfaces. The watch has a crocodile leather strap with a folding clasp with push button release.