Zf IWC Portuguese Chronograph Classic... Movement XB5, Dandong 7750 movement mod

Zf IWC Portuguese Chronograph Classic... Movement XB5, Dandong 7750 movement modified to match the original Cal.69355 movement. Thickness, unit dimensions and layout, balance wheel position, and functions are all perfectly aligned and flawless. Case size: 13.1mm with transparent case back, 12.3mm with solid case back, identical to the original. Same size, perfect texture, ergonomic design makes the streamlined lugs fit the wrist more comfortably. Consistent with the original: dial uses a baked enamel finish, and the markers use a superimposed printing technique. Overall texture is comparable. All over ten facets are included, Italian leather strap, paired with the classic IWC folding clasp. Zero returns, transparent case back, solid case back, shipping now...