[JAEGER - LECOULTRE Watches] Automatic winding system: AZ version movement is two-way winding Other versions of the market are one-way uplink Automatic winding noise: The AZ version only has a slight chain sound, which is the same as the genuine product Other versions on the market are the noise caused by the automatic rotation rubbing the caseback and movement deck Structure of the movement: The AZ version of the movement opens the mold by disassembling the same genuine movement Achieve basically the same structure Movement parts matching degree above 95 Other versions of the movement are modified from Japanese 9015 movement The structure is different Movement shock absorber: The AZ version of the movement shock absorber is a KIF shock absorber consistent with the genuine product