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 winding movement, which can be admired through the transparent case back. The original Italian cowhide strap with a pin buckle complements the watch perfectly. The baton-style hour markers combined with the railway-style minute scale beautifully showcase the elegance of the Vacheron Constantin brand.