Pilot's Watch Mark XX

Ref. 6B/346

Also written: Mark XI

discontinuedMilitary Mark XIPartially documentedEvidenceProbableLast reviewed Not yet reviewed

Lineage6B/346IW328201 →Compare with next

Provenance of this record

Sources & Evidence

Secondary sourcePhysical examination

Research on IWC military-issued watches and Air Ministry markings

Institutional and collector research over issued examples

Accessed: 2026-08-18

Cited for

This referenceProbable

Last verified: Not yet reviewed

Claim-level evidence

Researched claims

Each fact below is one source's statement, reviewed by Atlas & Crown before publication. Manufacturer specifications, independent research and observed examples are labelled separately, and disagreements are shown rather than settled.

The badge on each field is the confidence of the field as a whole, derived from how many independent sources agree; the badge on each statement is what that one source can support on its own.

No reviewed research claims are on file for this reference yet.

Confidence describes the strength of the evidence behind a statement about the reference. It is not a judgement about any individual watch.