A diamond-set gold travel clock by Jaeger LeCoultre for Van Cleef & Arpels

A diamond-set gold travel clock by Jaeger LeCoultre for Van Cleef & Arpels, the rectangular gold case with foliate engraved motif, set with a round brilliant-cut diamond-set collet and a diamond-set bombe-section in platinum on gold, with sliding cover which opens to reveal a sprung clock, the square dial signed Jaeger LeCoultre and Van Cleef & Arpels, baton and Roman numerals and blued steel hands, manual movement, external case numbered 71198. watch caseback numbered 116155, watch case and external case both with French control marks and maker's mark for Van Cleef & Arpels, 3.5 x 2cm, brown suede pouch