Features: stainless steel case polyurethane strap quartz movement caliber: seiko vx42e bezel with black ceramic inlay sapphire crystal blue dial analog display orange minute hand luminous hands and markers power reserve helium-safe watch with helium valve day and date display uni directional rotating bezel screw down crown engraved case back buckle clasp 1000m water resistance approximate case diameter: 49mm approximate case thickness: 12mm