Model: Aero-Compax Reference: 22289 Date: Circa 1950 Movement: 17-jewel Cal.281 manual wind, column wheel chronograph, No.232869 Dial: Brushed silvered, Arabic numerals, black outer 1/5th second divisions with Arabic numeral 5 minute markers, outer blue 60-1000 scale, textured subsidiary dials at 12, 3, 6 and 9 for time registration, seconds, 12 hour and 30 minute recording, blued steel dagger hands with luminous inserts, centre chronograph hand Case: Brushed and polished round, screw down back, crown flanked by twin pushers, No.1072931 Strap/Bracelet: Tan leather Buckle/Clasp: Steel buckle Signed: Case, dial & movement Size: 35mm