Audemars Piguet

Audemars Piguet had already made its mark at the SIHH 2018 with its prototype RD#2 Royal Oak Selfwinding Perpetual Calendar Ultra-Thin in platinum, the slimmest selfwinding perpetual calendar on the market and a spectacular result achieved by five years of research and development With its in-house 2.89mm-thick caliber and 6.3mmthick case, the Royal Oak Selfwinding Perpetual Calendar Ultra-Thin holds the world record for thinness To achieve an ultra-thin movement of 289mm in thickness, the perpetual calendar functions, normally arranged on three levels have been merged into one single layer.

Audemars Piguet has long since proven its skills in crafting ultra-thin pocket watches and wristwatches, reaching new technical milestones at great speed and achieving major accomplishments at the start of the 20th century One of these milestones included the 1921 pocket watch equipped with a movement that still holds the world record for slimness : 1.32mm ! In 1938 the Manufacture transposed this record into a wristwatch with a 1.64mmthick caliber, then in 1967 with a 2.45mm- thick selfwinding movement Having become the first brand to display the leap year on a wristwatch in 1955, it also set a world slimness record for a perpetual calendar in 1978 with a 395mm-thick caliber,.

The Royal Oak Selfwinding Perpetual Calendar Ultra-Thin provides a chance to evolve with time and to own the very best that modern timekeeping has to offer. . Source