Breitling · Chronomat
Chronomat B01 42
Ref. AB0134101B1A1
currentModern in-house B01DocumentedLast reviewed Not yet reviewed
Component compatibility
What this reference is documented to have carried, and in what capacity. A service part is the manufacturer's own work; only a counterfeit classification is a finding against the watch.
Documented calibers
Whole production
Roughly 70-hour reserve against the 7750's roughly 48 — the field distinction between Chronomat generations.