The F.P.Journe Quantième Perpétuel with instantaneous jump is aesthetically different from all existing perpetual calendar watches, with its uncluttered dial whose windows provide perfect legibility. …
Unlike other perpetual calendars, which are often difficult to adjust, the F.P.Journe Quantième Perpétuel is extremely easy to use thanks to the three-position crown and protected corrector lever hidden beneath the lug.