Grand Seiko Heritage

The Grand Seiko Heritage, reference SBGR287, has a 37 mm steel case. The case has a thickness of 13.3 mm and a lug-to-lug span of 44.6 mm; water resistance is rated to 100 metres; magnetic resistance is 4,800 A/m. A dual-curved sapphire crystal has an anti-reflective coating on the inner surface. The watch has a date display and a see-through case back. A folding clasp with push button release closes the crocodile leather strap. Movement precision is +5 to -3 seconds per day. Calibre 9S65 is self-winding with 35 jewels and approximately 72 hours of power reserve.