Vacheron Constantin has chalked up slate grey dials for a limited edition family of six Traditionelle models.
Each is offered in 44mm or 42mm 18ct rose gold cases with sapphire display backs.
Top of the line are two grand complication models: the Traditionnelle calibre 2755 and Traditionnelle 14-day tourbillon.
The Calibre 2755 unites three fine watchmaking complications: a tourbillon, a perpetual calendar and a minute repeater with centripetal flying strike governor.
The 14-day Tourbillon model has an open worked tourbillon shaped like a Maltese cross, the Vacheron Constantin emblem, and achieves two weeks of power thanks to four series-coupled barrels.
Both use mechanical manual-winding movements developed and manufactured by Vacheron Constantin and graced with traditional finishing testifying to fine craftsmanship and horological excellence.
Other Traditionelle pieces offer just hours and minutes powered by an ultra-thin self-winding caliber. Another has central seconds, day, date and power-reserve indication.