Minute Repeater 3974

Self-windingAutomaticA mechanical movement wound by a rotor as the watch moves on the wrist. 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. with perpetual calendarPerpetual calendarA calendar mechanism that accounts for different month lengths and leap years., moon phaseMoon-phase displayAn 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., leap-year and 24-hour displays, launched for the 150th anniversary; case by Jean-Pierre Hagmann. Usually a silver dial with baton indices.