A Kriegsmarine issued observer's pocket watch made by IWC.

Nickel-plated metal case. White watch dial. Including a subsidiary  60 seconds time display. "IWC" maker marked. All pointers and the winding crown to the top in place. "1107692" numbered. The movement comes also with an "IWC" maker's mark. Furthermore "1068771" numbered. Working absolutely fine. 

Diameter: 67 mm.

Cal.67. Kriegsmarine eagle and numbers postwar engraved, however, a proper Kriegsmarine example.