Three travel clocks by Cartier

Three travel clocks by Cartier, including a Must de Cartier brass and red enamel travel alarm clock, with signed square white dial, cabochon red stone winder and red enamel baton finials, 6.3cm high, Cartier box and papers; a Must de Cartier oval travel alarm clock, with red enamel decoration (damaged), black Roman numerals, manual wind, blue cabochon winders to reverse, 9cm high; a black onyx Marques et Modele travel clock by Cartier, of square form, the white signed dial with black Roman numerals, quartz movement, cabochon blue winders to reverse (damaged), 10.5cm high, with papers