... china movt 2.silicone strap alloy case 3.stainless steel back 4.RoHS/SGS if require. Dongguan manufacturer silicone watch ... strap,plastic case,stainless steel case back,turnable plasticring2. Case diameter: 43mm, 40mm, 36mm3. Dial and case back can be with custom logo4 ... . Compelete watch(band,case,ring,dial) in the same pantone ...