Watch family · Style & purpose
Military Watches
Partially verifiedWatches produced or procured to a specific military specification, marked with issue numbers, broad arrows or NATO stock numbers, prioritising legibility and robustness.
Movement & mechanism
- Standard lever movements to defence specification
- Often housing marked to resist magnetism or shock per issuing authority's requirements
- Screw or fixed case backs stamped with issue data
Identification
- Broad arrow or issue stamp on case back or dial
- Contract numbers matched against published procurement records where available
- Plain, legible military dial style
Terminology
- W.W.W. — Watch, Wrist, Waterproof, a British military specification
- Dirty Dozen — the informal name for twelve British WWII-contracted watch manufacturers
Known variations
- W.W.W. Dirty Dozen watches
- GSTP watches
- National service-issue watches of various countries
Pocket-watch ancestry
Military procurement of timepieces began with pocket watches; the same specification culture (robustness, legibility, issue marking) carried over directly once wristwatches became the standard-issue form during and after the First World War.
Collecting notes
A well-documented and actively collected field; issue marks are frequently faked, so provenance verification against known contract records is important.
Photographs

Photographs are illustrative examples of the type, not necessarily the exact object described. Verify details against the source file page.
Sources & references
- National archive procurement records vary by country and are incomplete in places.
Where sources disagree, the disagreement is stated rather than resolved silently.