V9's latest breakthrough in the watch industry, IWC Perpetual Calendar Pilot's Watch IW392

V9's latest breakthrough in the watch industry, IWC Perpetual Calendar Pilot's Watch IW392202 "Le Petit Prince" Special Edition, every second must be "authentic", movement model 89630 synchronously original, size 42mmx13mm, case is divided into two pieces, ring mouth Integrated with the middle shell. The difficulty lies in the right-angle turning and polishing of the intersection between the middle shell and the ring mouth (which requires a lot of manual work). The perpetual calendar buttons are the same as the original ones. After time, the simulation is stable and the workmanship is mature. The lines are clear and three-dimensional. It authentically restores the series’ tenacious and outstanding quality. V9 follows the traditional craftsmanship of IWC, using double-layer light blue anti-vertigo coating, imported Italian cowhide, and the details are consistent with the original.