Vacheron Constantin New Model: Vacheron Constantin Traditionnelle Triple Calendar Series .MM 40mm .The 87172/R watch fully inherits the essence of Vacheron Constantin's watchmaking, featuring a classic three-hand design. It is equipped with a Vacheron Constantin automatic movement, which can be viewed through the transparent case back. The original Italian cowhide leather strap with a pin buckle complements the baton-style hour markers and the railway-style minute scale, beautifully showcasing the elegance of the Vacheron Constantin brand.