Manual and Automatic Vacheron Constantin Historical Masterpieces Collection American 1921 .Equipped with: Dandong 2824 two-and-a-half movement .Options: Automatic winding movement, manual winding movement .1. A uniquely commemorative pillow-shaped case with a diameter of 40mm, inspired by early cushion-shaped designs, reimagined with modern luxury materials, craftsmanship, and aesthetic concepts to redefine a classic.2. The crown is offset from the center, located at the upper right corner of the case, enhancing comfort during wear; this design also draws from early cushion-shaped watches.3. The dial features a scale arranged diagonally relative to the case, creating a distinctive look; a polished pink gold Maltese cross adorns the 12 o'clock position, making the dial stand out even more. The newly introduced Middle Eastern font offers you an additional choice.4. Black oxidized hour and minute hands, along with a stick-shaped black oxidized small seconds hand, exude elegance and sophistication.5. The case back is made of transparent sapphire crystal, secured with screws, allowing a full view of the exquisite finishing of Vacheron Constantin's top-notch movement. Additionally, the watch is paired with a handcrafted square calfskin strap, featuring a polished half Maltese cross design on the pin buckle.