Movement Asian Super Clone Dandong 4131 movement 28800vph, 1:1 replicated from the genuine movement, fully functional. Blue spring same as genuine. 72 Hours power reserve, Dandong 4131 movement. Functions Hours, minutes, sub-seconds display and chronograph. Case Solid 904L stainless steel and Cu-W metal case to increase watch weight to match the genuine gold watch weight, almost sa... https://luxurywatchlane.com/product/daytona-126503-ss-yg-gain-weight-vsf-11-best-edition-white-dial-on-oyster-bracelet-dd4131-2/