Case No.5479816, Movement No.5479816, Circa 1940
Jewelled Cal.13ZN manual wind movement with column wheel chronograph, two-tone silvered dial with black Arabic numerals, black outer 1/5th second track with Arabic five second markers, black outer telemetre scale, blue inner snail scale, blued steel feuille hands with centre chronograph hand, subsidiary dials at 3 and 9 for running seconds and 30 minute recording, polished round case with snap on back, hinged t-bar lugs, crown flanked by twin buttons, fitted brown crocodile leather strap with plated buckle, case, dial and movement signed
35mm.