Vacheron Constantin Historical Masterpieces Series American 1921 .Equipped with the Dandong 2824 two-and-a-half-hand movement .1. Unique commemorative cushion-shaped case, with a 40mm diameter, inspired by the early cushion-shaped case design, blending modern noble materials, craftsmanship, and aesthetic concepts to recreate a classic; .2. The crown is off-center, located at the upper right corner of the case, providing enhanced comfort while this design also draws from the early cushion-shaped watches; .3. The dial markers are arranged diagonally in reference to the case, showcasing a distinctive style; the 12 o'clock position features a polished pink gold Maltese cross, enhancing the prominence of the dial; .4. Black oxidized hour and minute hands, and a baton-shaped black oxidized small second hand, elegant and chic; .5. The case back is made of transparent sapphire crystal with a screw-down design, allowing a clear view of the exquisite craftsmanship of Vacheron Constantin's top movement. Additionally, the watch comes with a handcrafted square calfskin strap, featuring a polished semi-Maltese cross design pin buckle.