Left: (Authentic) — Right: (Shanghai 4131) Molded Replica Detailed Comparison of Authentic vs. Replica Images for Rolex’s In-House Multi-Function Chronograph Movement 4131. C Factory’s New Daytona 4131 Movement, Daytona Movement Diagram.The 4131 movement is manufactured by Shanghai 4130, featuring 75-hour power reserve. Movement finishing/plating/engraving/assembly are independently completed by Factory C. Therefore, strictly speaking, the Shanghai 4131 movement is a collaborative effort between Shanghai and Clean.Numerous issues present in the previous Shanghai 4130 movement—such as stability concerns, chronograph reset failure, rough finishing, incorrect dimensions, winding feel, and rotor noise—are all perfectly resolved in the 4131.Additionally, Clean has secured exclusive production rights for the Shanghai 4131 movement. Visual comparisons reveal that disassembled genuine 4131 and SH 4131 movements share identical appearance and dimensions, though minor variations exist in specific shock absorber stones.It’s crucial to emphasize that Shanghai’s previous 4130 movement and this new 4131 belong to entirely different tiers of quality in every detail. A limited number of pre-release samples have already been distributed, receiving excellent feedback from customers. Of course, this 4131 still requires market validation—we ask for your patience, and we promise it will deliver a pleasant surprise. The engraving shown in the images is a preliminary version; the mass-produced version will be much closer to the final design. Overall, the level of authenticity is exceptionally high.

SKU: _dkhFWRO19TTnj24yVtjh5GnZ0vnVFNn3TsANi-w Categories: , ,