Platinum [Monthly cycle, minute and second cycle] KM Vacheron Constantin Traditionnelle series full calendar watch [Model] 4010T/O00R-B344/B/B345 [Case] Watch diameter 41mm, thickness 12.9mm, stepped round watch The case, lugs, and grooved bottom cover have been polished and refined to reveal an unparalleled texture; [Dial] Orbital minute scale and dauphine-style hour and minute hands retain Vacheron Constantin’s original iconic calendar display. Day of the week The month windows are symmetrically distributed on both sides of the dial. The digital bezel on the periphery of the dial displays the calendar. It is gently held up by an elegant black crescent pointer for easy reading. The ingenious design breaks the dullness of the dial. This The layout clearly shows the precision moon phase display at 6 o'clock. While showing the smart charm, it also shows the unique beauty of complex machinery. [Movement] Imported movement independently developed 2460 self-winding movement. It took two years at no cost. Over the years, the movement mold parameters have been modified many times, and after several modifications, it was finally truly perfect.