Breitling Chronomat B01 Chronograph 42

The Chronomat B01 Chronograph 42, reference UB0158101B1U1, pairs a 42 mm rose gold case with a steel rotating bezel and grey dial. It is powered by the automatic Breitling calibre B01, a chronometer-certified movement offering 70 hours of power reserve, and includes a date function and display back. The case measures 15.1 mm thick, has a sapphire crystal, and is water resistant to 200 metres.