Grand Seiko Heritage

The Grand Seiko Heritage, reference STGK003, has a 28.7 mm white gold case. The case and mother-of-pearl dial are set with diamonds. Case thickness is 10.9 mm, and the lug-to-lug measurement is 35.1 mm. Self-winding calibre 9S27 has 35 jewels and approximately 50 hours of power reserve. A dual-curved sapphire crystal with an inner anti-reflective coating covers the dial and date display. A crocodile leather strap closes with a folding clasp, and water resistance is rated to 100 metres. The watch has a see-through case back and Zaratsu polishing on the case.