BREITLING chronograph Chronomat, self winding, reference B13050.1, stainless steel/gold combined including pilot-bracelet with deployant clasp, screwed-down case back & winding crown, unidirectional revolving bezel, display of hours, minutes, constant second, date & chronograph, sapphire crystal with anti-reflective treatment, 25 jewels, calibre Valjoux 7750, central rotor, diameter approx. 40 mm, length approx. 20,5 cm, original users manual & warranty papers enclosed, sold in October 1998, condition 2, property of a collector