2460 R31R7/3

The Patrimony retrograde day-date utilizes the in-house self-winding 2460 R31R7/3 calibre, which powers the hours, minutes, retrograde day and date, and a stop-seconds function at 28,800 vibrations per hour. It features a 22K gold openworked oscillating weight inspired by the Maltese cross and provides a 40-hour power reserve. High-end finishing includes hand-polished angles, straight-grained flanks, circular-grained mainplates, and bridges decorated with the Côtes de Genève motif.