silicone digital watch 1) Size: 17,18,19,20cm 2) custom logo,size,color 3) CE & Rohs reports. 4) Water proof ( ... 1ATM/3ATM) Description of silicone rubber digital sport watch: Size ... over 10 years experiences, such as the silicone bracelet, silicone watch, silicon wristband, silicone band, silicone keychain, silicone key holder / ...