BREITLING chronograph model Chrono-Matic, self winding, Switzerland around 1970, reference 2112, stainless steel case, screwed down case back, 3 coloured contrast dial, bidirectional revolving bezel with 60-minutes graduation, winding crown at 9, calibre 11 with micro- rotor, incablock shock-absorber, measures approx. 45 x 38 mm, signs of use due to age, original storage box & users manual, condition 2-3, property of a collector