This hand-wound movement bearing the Hallmark of Geneva is equipped with an oscillating weight featuring the particularly meticulous finishing that is the signature of fine watchmaking. Beating at a frequency of 2.75 Hz (19,800 vibrations per hour), it has an approximately 40-hour power reserve. Calibre 1120 QP drives indications of the hours, minutes and perpetual calendar featuring the day of the week in a subdial at 9 o’clock, the date in a subdial at 3 o’clock, the month and leap year on a 48-month subdial at 12 o’clock, and the moon phase at 6 o’clock.

7 other watches in the library run the Vacheron Constantin 1120 QP/1.

Vacheron Constantin - 4300V/000R-B064 Overseas Ultra-Thin Perpetual Calendar Pink Gold / Silver

Ref. 4300V/000R-B064 · 41.5 mm

Vacheron Constantin - 4300V/220G-H151 Overseas Ultra-Thin Perpetual Calendar White Gold / Burgundy

Ref. 4300V/220G-H151 · 41.5 mm

Vacheron Constantin - 4300V/000R-B509 Overseas Ultra-Thin Perpetual Calendar Pink Gold / Blue

Ref. 4300V/000R-B509 · 41.5 mm

Vacheron Constantin - 4300V/220G-B945 Overseas Ultra-Thin Perpetual Calendar White Gold / Blue / Bracelet

Ref. 4300V/220G-B945 · 41.5 mm