The Vacheron Constantin Overseas Ultra-Thin Perpetual Calendar was introduced at SIHH 2016. It is powered by the automatic caliber 1120QP, which features a perpetual calendar. Reference 4300V/120R-B547 was added to the collection in 2020. It is powered by the skeletonized caliber 1120 QP SQ, which can be admired from the front as well as the back. It comes with a pink gold bracelet plus both a rubber as well as an alligator strap.
