Watch Glossary
1104 horological terms explained
METAS certification for watches exceeding traditional chronometer standards
Swiss federal metrology institute certifying ultra-precision chronometer watches
Original U.S. military watch specification from 1940s defining ruggedness and reliability standards.
U.S. military specification for general-purpose military wristwatches issued 1974-1990s.
Serial number system linking military watches to issuance records via MOD and NATO database archives.
Rigorous testing protocol required for watches submitted for British military service designation.
Official documentation proving watch passed British Ministry of Defence acceptance testing criteria.
Official verification that watch movement meets specific Swiss quality and precision standards