Caliber 2755 TMR is designed, developed and produced by Vacheron Constantin. This hand-wound movement bears the Hallmark of Geneva and features an exceptional level of chronometric and aesthetic quality. Combining a minute repeater mechanism striking on demand with a tourbillon, it displays the hours and minutes as well as small seconds on the tourbillon carriage. The 58-hour power-reserve indication – with its pink gold pointer whose colour is achieved by a black oxide process – is unusually placed on the back of the watch rather than on the dial. The sapphire crystal caseback reveals the caliber, composed of 471 parts and adorned with 40 jewels, along with its hand-crafted finishes meeting the highest watchmaking standards.