Perpetual Calendar Tre Scalini 3449 — Double-Stepped Bezel, Angular Lugs

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.

• 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.

  Moon-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..