Van Cleef & Arpels. A very fine slim platinum and diamond open face sweep seconds dress watch with triple calendar
Movement no. 210052, the case by Verger frères, Paris, 1930's
18-jewel nickel finished movement with bimetallic balance, Seal of Geneva, silvered dial with fifth seconds ring enclosing subsidiary oval roman chapter ring and apertures for day date and month, blued hands, within a plain platinum case with applied diamond monogram. 46mm
- The case number of the watch is 7687.