Wrist Chronometer no. 4722

Case: Dial: Movement: Cal. 7.39 oval 16,5x11,4x2,6 mm, 18 jewels, all adj, Geneva seal. The depicted caliber with movement serial number 4722 obtained the Poincon de Geneve quality seal on December 15, 1927, and was part of a batch of 2; #4721-4722 Provenance: 1927 - Niton, Geneve 1929 - Catalogue Manufacture des Montres Niton S.A. Geneve, Paris, New-York (1929?), Only picture of movement in Catalogue