Heuer Montreal 110.503

HEUER LEONIDAS S.A. chronograph model MONTREAL reference 110.503, Switzerland around 1970, self winding, stainless steel case including bracelet with deployant clasp, screwed down case back, blue dial with applied hour- indices, red hands, date, Pulsations and Tachometer graduation, gold-plated movement calibre 12, 17 jewels, precision adjustment, diameter approx. 42 mm, length approx. 20,5 cm, strong signs of use, case-no. not readable, Heuer box without inlay enclosed, needs to be overhauled, condition 3