Breitling Chronomat B01 ref. AB0110: first in‑house B01 chronograph era (from 2009). 44 mm steel case, unidirectional bezel, sapphire, 500 m WR. Movement: Caliber B01 (in‑house), 70 h power reserve, column wheel/vertical clutch, COSC.
Breitling Chronomat B01 ref. AB0110: first in‑house B01 chronograph era (from 2009). 44 mm steel case, unidirectional bezel, sapphire, 500 m WR. Movement: Caliber B01 (in‑house), 70 h power reserve, column wheel/vertical clutch, COSC.