Rock crystal, mother-of-pearl, onyx and diamond mystery timepiece, 'Model A', Cartier, circa 1930

The millegrain-set diamond hands within a bezel applied with mother-of-pearl, rose diamonds and raised gold Roman numerals, the bevelled rock crystal case on a rectangular onyx base, measurements approximately 85 x 50 x 135mm, signed Cartier, numbered, fitted case stamped Cartier, charge key, onyx base imperfect.

Cf.: Hans Nadelhoffer, Cartier, Milan, 2007, pg. 276 for a 'Model A' sketch and pg. 277 for illustrations of similar timepieces.

Cf.: Franco Cologni, Eric Nussbaum, Cartier: L'Arte del Platino, Milan, 1995, pg. 165 for an illustration of a similar timepiece.

Cf.: Jader Barracca, Giampiero Negretti, Franco Nencini, Le Temps de Cartier, Milan, 1989, pg. 99.

Manual winding movement in running condition at time of cataloguing, please note that Sotheby's does not guarantee future working condition of watches. Please note that the movement has not been tested for the accuracy of its time keeping and therefore a service should be carried out in the near future at the buyer's expense. Signed Cartier at the bottom, numbered 0308, 1581 and 2441. Inscribed Made in France. Rock crystal in very good condition, very small nicks, scratches and abrasions. Onyx with nicks, scratches, abrasions and signs of repair. Mother-of-pearl in very good condition. Diamonds bright and lively. Signs of normal wear to the metal, scratches consistent with use. In good condition. Gross weight approximately 1081 grams. Original key, fitted case stamped Cartier, Paris 13 Rue de la Paix, London 175 New Bond Street, New York 653 5th Avenue, damaged.
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Please note that colour, clarity and weight of gemstones are statements of opinion only and not statements of fact by Sotheby's. We do not guarantee, and are not responsible for any certificate from a gemological laboratory that may accompany the property. We do not guarantee that watches are in working order. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue, in particular to the Notice regarding the treatment and condition of gemstones.
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