Vacheron Constantin Historical Masterpieces Series American 1921 .Equipped with the Dandong 2824 two-and-a-half needle movement .1. Unique commemorative pillow-shaped case with a diameter of 40mm, inspired by early cushion-shaped case designs, integrating noble materials, craftsmanship, and aesthetic concepts to redefine the classic; .2. The crown is offset from the center, located at the upper right corner of the case, making it more comfortable to wear. This design also originates from early cushion-shaped watches; .3. The dial markers are arranged diagonally in reference to the case, showcasing a distinctive character. The 12 o'clock position on the dial is adorned with a polished pink gold Maltese cross, enhancing the prominence of the dial; .4. Black oxidized hour and minute hands, with a stick-shaped black oxidized small seconds hand, elegant and stylish.5. The case back features a transparent sapphire crystal cover, secured with screws, allowing a clear view of the exquisite craftsmanship of Vacheron Constantin's top movement. Additionally, the watch is paired with a hand-stitched square calf leather strap, equipped with a polished half Maltese cross design pin buckle.