Tank Obus — Enamel Bezel, 1980s–90s · Manual, Blue Lacquered Numerals, 1970s

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.

• EnamelEnamelA glass-based decorative material fused to metal by firing. In traditional dial-making, powdered enamel is applied in layers and heated in a kiln. A dealer’s colour or finish description alone does not establish this construction.