This is A VINTAGE CWC RAF PILOT'S CHRONOGRAPH watch is in VERY GOOD condition! The MoD SPEC number is 6BB/9243306 and case issued number is 4306 dating it to 1974.
Serviced mechanical Valjoux Cal. 7733 all nice working order. They were issued to RAF pilots during the 70s. Tritium luminous on the rare "gilt" printed dial. Came with NATO style nylon band.

• REF.NO:  MoD SPEC 6BB/9243306
• YEAR: CIRCA 1974
• MODEL:  RAF PILOT'S CHRONOGRAPH
• MOVEMENT: Valjoux Cal. 7733 HAND WOUND MECHANICAL
• CASE DIAMETER: 41MM 
• ACCESSORIES: NO. WATCH ONLY