Tank Obus 1630 — Yellow Gold, Quartz

Identifying details

• 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.