Vacheron & Constantin 1936 Extra-Thin Pocket Watch
Case: No. 261876. Three-piece, plain polished, 18kt yellow gold, diameter 41mm, height 6.5mm.
Note the finely inscribed service mark, dated 1947! Maker's mark Key No.5 is Genevor SA of Meyrin.
Dial: Silver galvanized, vertically brushed, decorated en réserve with lettering, outer minute track and subsidiary seconds track hollowed and filled in black. Eleven applied gold upright Arabic numerals, guilloché sunk subsidiary seconds dial, gold bâton hands.
For a description of this distinctive dial treatment, consult page 319 of Cologni’s Secrets of Vacheron Constantin.
Movement: No. 411169. R.A. 16’’’ 162, rhodium-plated, decorated with perlage and adoucissage, 18 jewels, straight line lever escapement, cut bimetallic compensation balance with eight adjustments, flat balance spring, index regulator.
An interesting juxtaposition: Extra-Thin pocket watch of 1936 meets Extra-Large wrist watch of 1950.
Secrets of Vacheron Constantin by Franco Cologni
WatchTime Vacheron Constantin Special Edition, October 2009