ATP Watches of the British Armed Forces
From Chronopedia
ATP
The Army Trade Pattern (ATP) wristwatch was a general service timepiece supplied by 18 Swiss makers in accordance with a specification requiring:
- 10½– 12 ligne, 15 jewel lever movements timed ± 30 sec. per day in 4 positions;
- metal dials, luminised, offset seconds
- stainless steel or nickel chrome waterproof cases.
Approximately 133,600 ATP wristwatches were supplied to the War Office
Links
Disposal of Surplus Timepieces after World War Two British Armed Forces Issued Watches