Breitling Premier B01 Chronograph 42

The Breitling Premier B01 Chronograph 42 (ref. AB0145221B1P2) is a steel case measuring 42mm in diameter and 13.6mm thick, paired with a matching steel bezel and black dial. It houses the automatic Breitling calibre B01, a chronometer-certified movement with a 70-hour power reserve, visible through a display back. The chronograph functions alongside a date window, small seconds subdial, and tachymeter scale, with a sapphire crystal and water resistance to 100 meters.