Grand Seiko Heritage

The Grand Seiko Heritage, reference SBGR315, has a 40 mm steel case. Above the dial is a dual-curved sapphire crystal, with anti-reflective coating on its inner surface. Measuring 46.6 mm lug-to-lug, the case is 13 mm thick; water resistance is rated to 100 metres; the case has a screw-down crown; the watch has magnetic resistance. The watch has a date display and a see-through case back. The steel bracelet has a folding clasp with push button release. Approximately 72 hours of power reserve is provided by self-winding calibre 9S65, with 35 jewels.