Minute Repeater 3974 — White Gold

Identifying details

• Perpetual calendarPerpetual calendarA calendar mechanism that accounts for different month lengths and leap years.

  Calendar that accounts for month lengths and leap years.

• Minute repeaterMinute repeaterA mechanism that sounds the time on demand, chiming the hours, completed quarter-hours and minutes elapsed since the last quarter. In a conventional two-gong arrangement, hours sound low, quarters use paired high-low tones and remaining minutes sound high. The action is requested by the wearer rather than triggered automatically at each quarter-hour.

  Chimes the hours, quarters and minutes on demand.

• Moon phaseAn astronomical indication showing the Moon’s changing appearance through its cycle, averaging about 29.5 days. Display accuracy and the interval between corrections depend on the mechanism; a maker’s specification for one calibre should not be applied to every moon-phase watch.