Grand Seiko Heritage

The Grand Seiko Heritage, reference SBGR299, has a 42 mm steel case. The lug-to-lug measurement is 47.9 mm, and case thickness is 13.1 mm; water resistance is rated to 100 metres; magnetic resistance is 4,800 A/m. Self-winding calibre 9S61 has 33 jewels and approximately 72 hours of power reserve. This Heritage has a steel bracelet with a folding clasp with push button release. Movement precision is +5 to -3 seconds per day. Above the dial is a dual-curved sapphire crystal, with anti-reflective coating on its inner surface. The watch has a see-through case back; the case has a screw-down crown.