Vacheron Constantin caliber 1120 QP SQ

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 SQ 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. It is hand-skeletonized.