4100U-001R-B180

The Vacheron Constantin Patrimony Small Model was introduced in mid 2017. It features a mid-size case of 36mm, which houses the self-winding caliber 2450 Q6. At the time of release, the Patrimony Small Model was available in two versions, both featuring a 5N pink gold case and a silvered opaline dial; 4100U/000R-B180: brown leather strap 4100U/001R-B180: purple shiny leather strap