Grand Seiko Heritage

The Grand Seiko Heritage, reference SBGH299, has a 40 mm steel case. Self-winding calibre 9S85 has 37 jewels and approximately 55 hours of power reserve. The watch has a date display and a see-through case back. Measuring 46.2 mm lug-to-lug, the case is 13.3 mm thick; water resistance is rated to 100 metres; magnetic resistance is 4,800 A/m. A steel bracelet closes with a folding clasp with push button release. Polished case surfaces accompany a radial pattern on the dial. Above the dial is a dual-curved sapphire crystal, with anti-reflective coating on its inner surface.