Citizen Chronograph 4-901177 K

CITIZEN chronograph with Flyback so

CITIZEN chronograph with Flyback so called Bullhead reference 4-901177 K, Japan around 1970, self winding, steel case including original bracelet with deployant clasp, screwed down case back, original winding crown, black lackierte bezel, silvered dial with applied hour-indices, silvered and orange hands, black tachometer graduation, day and date, calibre 8110A, 23 jewels, precision adjustment, diameter approx. 38 mm, length approx. 20 cm, glass neutral replaced, condition 3, property of a collector