Breitling Premier B01 Chronograph 42

The Breitling Premier B01 Chronograph 42 (ref. AB0145171C1P2) is a steel case with a steel bezel measuring 42mm in diameter and 13.6mm thick, paired with a blue dial and sapphire crystal. It houses the automatic Breitling calibre B01, a chronometer-certified movement with a 70-hour power reserve, visible through a display back. The dial layout includes a chronograph with small seconds, a date window, and a tachymeter scale, and the case is water resistant to 100 meters.