Pasha de Cartier 30003 — Silver Dial, Roman Numerals

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.

• Crown cover on chain

  Screw-down cap, usually set with a cabochonCabochonA stone polished into a smooth dome without facets. In watches, cabochons can decorate the crown or dial; the term describes the cut rather than a particular gemstone., covering the crown and tethered to the case by a small chain.

• Vendôme lugs

  Lugs formed as a central bar or ring attached to the case, a Cartier signature shape.

• 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.