Breitling all-purpose watch for your every pursuit. The Chronomat holds a significant place in the Breitling history. Available in a variety of materials including stainless steel and 18k red gold, the Chronomat features a 42 mm case and the iconic bezel with the four rider tabs. The Chronomat is matched to the signature Rouleaux bracelet and is powered by the in-house Breitling Manufacture Caliber 01, a COSC-certified chronometer.