Product Line: BlackWatch Quartz (BlackWatch) Movement: Swiss ETA 251.272 Size: 53mm/2.08in x 55mm/2.16in Water resistance: 20atm/200m/660ft Functions: Hours, minutes, seconds, chronograph 1/10 Case: Stainless steel 316L with black PVD Bezel: Stainless steel 316L with black PVD Crystal: Sapphire with anti-reflective Strap: Black natural rubber Fastener: Deploy buckle in stainless steel 316L with black PVD Warranty: 2 years Packaging: TechnoMarine glossy black luxury box/black interior SWISS MADE