3057. Citizen. A stainless steel automatic calendar flyback chronograph wristwatch Model: Bullhead Chronograph Reference: 67-9011 Date: Circa 1970 Movement: 23-jewel Cal.8110A automatic Dial: Silvered, luminous baton hour markers, black outer 1/5th second divisions, white outer tachymeter scale, black subsidiary dials at 3, 6 and 9 for 30 minute, 12 hour recording and day/date indication, polished faceted pointed baton hands with luminous inserts, orange tipped white centre chronograph hand Case: Brushed and polished bull head form, screw down back, crown flanked by twin pushers at 12, No.30411261 Strap/Bracelet: Associated black leather Buckle/Clasp: Associated steel buckle Signed: Case, dial & movement Size: 38mm