Grand Seiko Heritage

The Grand Seiko Heritage, reference SBGE279, is a Spring Drive GMT watch with a 40 mm steel case. The case has a thickness of 13.5 mm and a lug-to-lug span of 46.6 mm; water resistance is rated to 100 metres; the case has a screw-down crown. A dual-curved sapphire crystal has an anti-reflective coating on the inner surface. The watch has a date display and a power reserve indicator. A folding clasp with push button release closes the steel bracelet. Calibre 9R66 is Spring Drive with 30 jewels and approximately 72 hours of power reserve.