Rolex 114300 Oyster Perpetual Series. The diameter is 39mm. It is equipped with a customized version of the 3132 movement. The case and strap are made of super 904L steel in the same way as the original version [it can definitely pass the international standard 904L test]. The workmanship in this area perfectly repairs the shortcomings and defects of all previous copies. And comes with overseas authentic purchasing packaging [Fist] The strongest 904L version of Oyster Perpetual 114300