Breitling Premier B01 Chronograph 42 vs Breitling Premier Heritage B09 Chronograph 40

Side-by-side at a glance. Click a watch above to open the full reference page.

	Breitling AB0118221G1P1	Breitling AB0930D31B1P1
Model	Premier B01 Chronograph 42	Premier Heritage B09 Chronograph 40
Caliber	Breitling Cal. 01 -- in-house automatic chronograph, 28,800bph, 70h PR, 47j; column-wheel, vertical clutch; COSC-certified; used in Navitimer, Chronomat, Premier	Breitling Cal. B09 -- hand-wound, derived from Venus 178 archive, 21,600bph, 70h PR; used in Premier Heritage 40; tribute to vintage Venus column-wheel chronograph
Case size	42mm	40mm
Lug-to-lug	48mm	46.5mm
Years produced	2018–present	2020–present
Brand tier	luxury	luxury
Era	modern	modern
Movement tier	Unclassified movement	Unclassified movement
Market median (excellent / full-set)	n/a	n/a
Typical range	n/a	n/a
Confidence	low	low
Categories	chronograph, dress	chronograph, dress
Editorial	yes	yes