3A Rolex Cosmos gold (15 microns thick) Zhou Ditongna series 116503

3A Rolex gold-coated (15 microns thick) Ditona series 116503, unique ingenuity, the material of this watch is a combination of 18k gold (11 microns thick, never fade) and 904L stainless steel (the gold-coated part includes the strap, bezel Mouth, handle, button, button) to fill the vacancy of the Daytona gold watch in the market, with a size of 40mm and a self-winding 4130 mechanical movement.