Gold Wrist Chronometer no. -

Case: 18k white gold or platinum rectangular Dial: 18k White gold, with jump hour display, minutes by a disk and simple seconds Movement: tonneau caliber 10 ligne, 18 jewels, all adjustments, Poincon de Geneva quality seal Provenance: 1928 - Niton, Geneva 1928 - Cartier, Paris 1993 - Book Le Temps de Cartier, by Barracca, Negretti, Nencini, 1993, page 160. There are at least 3 Cartier jump hour wristwatches by Niton known. Cartier bought at Niton at least 3 jump hour wristwatches, 2 tank shape and 1 tonneau shape.