Breitling Chronomat B01 Chronograph 42

The Breitling Chronomat B01 Chronograph 42 (ref. AB0158101A1S1) is a 42mm steel case with a rotating steel bezel and a white dial, protected by a sapphire crystal. It is powered by the automatic Breitling calibre B01, a chronometer-certified movement offering a 70-hour power reserve, and includes a chronograph function with date display. The case features a display back and is water resistant to 200 metres, with a case thickness of 15.1mm.