The Vacheron Constantin Overseas Ultra-Thin was introduced at SIHH 2016. It features an 18k white gold case with a diameter of 40mm, at a height of 7.5mm. It is powered by the automatic caliber 1120, a movement 2.45mm thick with a power reserve of 40 hours, based on a JLC ebauche.Note that caliber 1120 is finished slightly different than pictured for this reference.
