Grand Seiko Heritage

The Grand Seiko Heritage, reference SBGR251, has a 37 mm steel case. The 13.3 mm case thickness accompanies a lug-to-lug measurement of 44.6 mm; water resistance is rated to 100 metres; magnetic resistance is 4,800 A/m. Self-winding calibre 9S65 has 35 jewels and approximately 72 hours of power reserve. The dial is covered by a dual-curved sapphire crystal with an inner anti-reflective coating. A steel bracelet closes with a folding clasp with push button release. Movement precision is +5 to -3 seconds per day. This model has a date display and a see-through case back.