120. Arsa. A steel and base metal manual wind chronograph wristwatch Arsa. Chronographe bracelet en métal et acier mouvement mécanique Date: Circa 1970 Movement: 17-jewel Valjoux Cal.7733 manual wind Dial: Balck, white and grey baton hour markers, white outer 1/5th second divisions with Arabic 5 minute markers, luminous orange outer telemetre scale, white outer tachymetre scale, subsidiary dials at 3 and 9 for seconds and 30 minute recording, white baton hands with black inserts, centre chronograph hand Case: Brushed and polished tonneau form, screw down back, inside back engraved 2318, crown flanked by twin pushers, No.12013 Strap/Bracelet: Black racing leather Buckle/Clasp: Steel buckle Signed: Dial & Movement Size: 35mm