A GENTLEMAN'S BRITISH MILITARY JAEGER LECOULTRE R.A.F. PILOT'S WRISTWATCH CIRCA 1940s D: Black dial with applied Arabic numerals. M: Manual wind movement signed Jaeger-LeCoultre & numbered, calibre 150/1. C: Military case with fixed bars, signed Fab Suisse, issue markings ^ 6B/159 A24217, case diameter measures approx 32mm. S: NATO strap.