Wrist Chronometer no. 5996

Case: Dial: Movement: Cal. 5.5 baguette, L 16 x W 6,5 x H 3 mm, 18 jewels, 8 adj, Geneva seal Provenance: 19?? - Niton, Geneve 1929 - Catalogue Manufacture des Montres Niton S.A. Geneve, Paris, New-York (1929?) Only picture of movement in Catalogue