Vacheron Constantin Historical Masterpieces Series American 1921 .Equipped with the Dandong 2824 two-and-a-half needle movement .1. A uniquely commemorative cushion-shaped case with a diameter of 40mm, inspired by the early cushion-shaped case design, combines noble modern 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, 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, creating a distinctive look. 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, along with a stick-shaped black oxidized small second hand, exude elegance and sophistication.5. The case back is made of transparent sapphire crystal with a screw-lock design, allowing a clear view of the exquisite craftsmanship of Vacheron Constantin's top-tier movement. Additionally, the watch is paired with a handcrafted square calfskin strap, featuring a polished half Maltese cross design pin buckle.