Lum-Tec 300M-2 Men Watch 40mm Automatic Diver Two Straps 300m WR40mm width excluding crown22mm lug width14.75mm thicknessWeight on rubber strap: 4.1oz / 117g.Weight on steel bracelet: 7.5oz / 214g.316L stainless steelTitanium carbide PVD hard coatingUni-directional 60-click rotating luminous bezel with sapphire insertAlternating brushed and high polished finish21,600 BPH Sii NH35 Japan automatic movement with hacking and handwinding featuresSapphire crystal with clear double side anti-reflective coatingThreaded solid stainless steel casebackLUM-TEC MDV Technology (2-tone)Screw lock crown with double diamond sealing system300 Meters / 990 ft. water resistance2 straps included: Stainless steel bracelet with special ratcheting diver's extension and molded rubberCondition: NewCT SKU: 580800102601