Tank Louis Cartier Ultra Plate 1601 — White / Ivory Guilloché Dial

Identifying details

• Secret signature

  “Cartier” hidden in a stroke of one of the Roman numerals.

• 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. crown

  Winding crown 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., typically a blue sapphire.

• “Paris” dial

  Dial signed with the city name “Paris” at six o’clock.

• GuillochéDecorative patterns engraved into a surface with an engine-turning machine. Similar-looking patterns do not by themselves establish how a dial was made. dial