113. A steel and base metal manual wind single button chronograph wristwatch Chronographe bracelet mono-poussoir en métal et acier mouvement mécanique Reference: 7564 Date: Circa 1930 Movement: Jewelled manual wind, column wheel chronograph Dial: Two-tone silvered, black Arabic numerals, black outer 1/5th second divisions track with Arabic numeral 5 minute markers, blue outer tachymetre scale, subsidiary dials at 3 and 9 for seconds and 30 minute recording, blued steel Breguet style hands, centre chronograph hand Case: Brushed and polished tonneau form, snap on back, single chronograph pusher at 2 Strap/Bracelet: Brown leather Buckle/Clasp: Steel buckle Size: 32mm