Rolex 114300 Oyster Perpetual Series. The diameter is 39mm. It is equipped with a customized version of the 3132 movement. The watch case and strap are made of super 904L steel, which is the same as the original version. [It can definitely pass the international standard 904L test]. The workmanship perfectly repairs the deficiencies and defects of all previous copies. It also comes with overseas genuine purchasing packaging, the strongest 904L version of the Oyster Perpetual 114300.