In black IP stainless steel, automatic self-winding movement with 40-hour power reserve and open aperture black dial with gold-tone accents, domed mineral glass, screw-back case, black IP stainless steel bracelet with double-press deployment closure. Product Details MODEL 98A203 9/24/2018 MOVEMENT 8N26 TECHNOLOGY Automatic Powered by the release of a wound spring, mechanical movements never require a battery. Automatic mechanical movements have an oscillating weight that winds the spring with the motion of the wearer’s arm. CASE WIDTH (MM) 42 LUG WIDTH (MM) 15 DIAL Black Gold-Tone STRAP TYPE Bracelet Stainless Steel CASE MATERIAL Black Stainless Steel Exhibition Caseback CLASP Deployant Clasp with Push Buttons CRYSTAL Metalized Domed Mineral Crystal WATER-RESISTANCE 0030M ADDITIONAL FUNCTIONS 3 Hand Automatic Full Skeleton