This watch is accompanied by an Audemars Piguet leather box.
Audemars Piguet confirm production of this watch in 1949.
Similar examples are illustrated in Audemars Piguet by Gisbert L. Brunner, Christian Pfeiffer-Belli & Martin K. Wehrli, 2nd edition, pp. 71 & 233. The example illustrated on p. 233 is No. 55905 and the present example is No. 55906.