[ROLEX Watches] Welcome to a new version upgrade 1. The new version will be equipped with a new generation of Cal.3285 movement The new automatic movement is engraved with Chronometer Observatory certification and Perpetual Perpetual motion font 2. The bezel adopts carbon fiber steel nail technology and the non-oil-filled ring has a delicate texture 3. The bottom cover has been upgraded in detail The lettering of each style bottom cover is different Represents that each style has its own unique model logo. Not one bottom cover is universal to all styles 5 colors have been upgraded this time Other colors will be optimized and updated in the future