The Vacheron Constantin Traditionelle Split-Seconds Ultra Thin reference 5400T/000P-B637 is a limited edition of 15 pieces introduced in 2021. The case of 42.5mm is rendered in platinum, as is the silver dial. Inside ticks the self-winding caliber 3500, which -at a slender height of 5.2mm- features a split-seconds chronograph and power reserve indicator.
