The TW4131 Cosmic Daytona is officially here. This is the true proprietary movement version of the 4131.The TW 4131 movement: It was developed directly based on the original 4131. It features a reasonable design and good stability.The Shanghai 4131 movement: This is derived from the 4130 movement using 7750 technology. For example, it includes fake bridges and fake shock absorbers, resulting in poor stability and difficult maintenance.Choosing the right version is very important. Stay tuned for more comparison materials! .Highly recommended, currently the most stable version in every aspect.
