F.P. Journe
F.P. Journe Quantième Perpétuel Black Label Platinum 40 MM - Black Leather Strap - Black Dial - Quantième Perpétuel Black Label
The F.P. Journe Quantième Perpétuel Black Label Platinum 40 MM - Black Leather Strap - Black Dial - Quantième Perpétuel Black Label is the creation of François-Paul Journe, one of the last truly independent master watchmakers. Working from his Geneva atelier, Journe designs, develops, and produces every movement in-house — a rare distinction in modern horology that places him among the most revered horologists of our time.
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About this piece
Independent Mastery
40 mm, Platinum case. The F.P.Journe Quantième Perpétuel (Perpetual Calendar) displays the exact date by automatically taking into account the variable length of the months and leap-year cycle. It also displays the day, month, and often the moon phases. To accomplish this watchmaking feat, the movement must have a mechanical "memory" of 1461 days or four years. The mechanism is usually based on a differential gear system from the hour wheel and includes several hundred components, cogs, gears, levers, and rockers. Despite their name, perpetual calendars will have to be corrected by one day on 1 March 2100, not through any fault of the mechanism but due to the Gregorian calendar, which rules that this year, as three centennial years out of four, will not be a leap year.
F.P. Journe Quantième Perpétuel Black Label Platinum 40 MM - Black Leather Strap - Black Dial - Quantième Perpétuel Black Label
Specifications
Technical details
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