Grand Seiko Heritage

The Grand Seiko Heritage, reference SBGH301, has a steel case measuring 40 mm in diameter. Case thickness is 13.3 mm, with a lug-to-lug measurement of 46.2 mm; water resistance is rated to 100 metres. The dial is covered by a dual-curved sapphire crystal with an inner anti-reflective coating. The black dial is paired with polished case surfaces. This model has a date display and a see-through case back. A folding clasp with push button release closes the steel bracelet. Calibre 9S85 is self-winding with 37 jewels and approximately 55 hours of power reserve.