This Breitling Chronomat B01 42 ref. AB01343A1L1A1 (2020) features a 42mm stainless steel case and matching steel bracelet, giving it a strong and versatile presence. The green index dial stands out with three contrasting black subdials and a date window at 6, keeping the layout clean and functional. A unidirectional timing bezel adds practicality, while Breitling’s in-house B01 movement delivers chronograph precision, a 70-hour power reserve, and reliable everyday performance. A modern, sport-focused Chronomat with unmistakable Breitling character.