Cartier: A rare 1930s slim platinum, enamel, ruby and diamond-set dress watch, the case in black enamel, the band set with rubies, silvered ribbed dial with outer black enamel chapter ring, with raised Roman numerals and set with diamonds, numbered to the reverse 2167 12780, the case secured by four screws and numbered, the movement signed European Watch and Clock Co. Inc, jewelled to the centre with eighteen jewels and eight adjustments, the bimetallic balance, with micrometer regulation, with original fitted case