Knowledge Center

Professional Authentication Platform

Breitling · Superocean Heritage

Superocean Heritage B20 42

Ref. AB2010121B1A1

currentB20 (Tudor-based) movementDocumentedLast 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

  • Breitling B20FactoryDefault configurationProbable

    Whole production

    A Tudor MT56xx supplied to Breitling. Expect a Tudor architecture carrying Breitling marks — the B-number is not a Breitling design.