Manual and Automatic Vacheron Constantin Historical Masterpieces Series American 1921 .Movement: Dandong 2824 Two-and-a-Half Hands .Options: Automatic winding movement, Manual winding movement .1. Unique commemorative cushion-shaped case with a diameter of 40mm, based on the early cushion case design, combining modern noble materials, craftsmanship, and aesthetic concepts to recreate a classic; .2. The crown is offset from the center, located at the upper right corner of the case, providing enhanced comfort when worn. This design is also inspired by early cushion-shaped watches; .3. The dial's hour markers are arranged diagonally based on the case, showcasing a distinctive style. The 12 o'clock position features a polished pink gold Maltese cross, making the dial stand out even more. A new Middle Eastern font option adds versatility; .4. Black oxidized hour and minute hands, along with a stick-shaped black oxidized sub-second hand, present an elegant and chic appearance.5. The case back features a transparent sapphire crystal, secured with screws, allowing a clear view of the exquisite finishing of Vacheron Constantin's top-grade movement. Additionally, the watch is paired with a handcrafted square calfskin strap, which is designed with a polished half Maltese cross pin buckle.