Stainless steel/18K rose gold automatic with date, COSC certified, atomatic helium release valve, 18K rose gold/ceramic bezel, round, 50atm/screw-down crown, dial: black index, rubber strap Metal Type: Stainless steel/18K rose gold/Ceramic Case Size: 44.6mm Movement: automatic Function: hour, minutes, seconds, date Water Resistant: 500 m Bracelet: rubber Buckle: stainless steel adjustable diving clasp