Tank Américaine 1734 — Gioielleria Colombo 50th Anniversary (5 pieces, Ref. 1734B)

Identifying details

• Secret signature

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

• Limited edition

  Made in a numbered limited series.

• 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.

• 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