Sophisticated design with full exhibition dial and case-back. Gold-tone stainless steel screw-back case, skeletonized silver white three-hand dial revealing the intricate workings of the self-winding 21-jewel movement, domed mineral crystal, brown leather strap with push-button deployant buckle, and water resistance to 30 meters. Product Details MODEL 97A138 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) 43 LUG WIDTH (MM) 22 DIAL Silver-Tone Gold-Tone STRAP TYPE Strap Leather CASE MATERIAL Gold-Tone Stainless Steel Exhibition Caseback CLASP Deployant Clasp with Push Buttons CRYSTAL Domed Mineral Crystal Impact and shatter resistant, dome-shaped crystal raised at an angle within the bezel WATER-RESISTANCE 0030M ADDITIONAL FUNCTIONS 3 Hand Automatic Full Skeleton