Image courtesy of Vacheron Constantin, official website

Perpetual Calendar

The most technically demanding calendar variant in the Patrimony: a self-setting perpetual that accounts for month-length variations and leap years automatically until 2100. Shows date, day, month, and moonphase in a sub-dial arrangement that keeps the Patrimony's slim profile.

1 reference

References in this sub-line

Vacheron Constantin Patrimony Perpetual Calendar · 47100/000P-9507
top-luxurymodernVacheron Cal. 1120 QL -- ultra-thin automatic micro-rotor with perpetual calendar and leap-year, 19,800bph, 40h PR; used in Patrimony Perpetual Calendar; only 4.5mm41mm2020–presenteditorial
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