Vacheron Constantin Patrimony Traditionnelle Excellence Platine.

Vacheron Constantin have launched the Patrimony Traditionelle in a strictly limited edition of 50 individually numbered pieces worldwide, this model is a limited edition version of the 14-day tourbillon launched last month, its full title being "Patrimony Traditionnelle Excellence Platine" a reference to the difference between this and the standard model, which is it's made from platinum.

On the inside you get the Calibre 2260, mechanical hand-wound tourbillon movement, with 14 day power reserve, off centred hours and minutes function, power reserve display, dragging with a 280 degree sector, the carraige which was inspired by the maltese cross, features 231-part, which took over 11 hours to craft, all of which is finished with the Cotes de Geneve motif.

Externally you get a solid 950 platinum case, winding crown, and hands, 950 platinum folding clasp, Mississippi alligator leather strap in dark blue, hand stitched with silk, and 950 platinum thread, and each edition of the 50 will cost £250,000.