A 1953 Omega British Military Air Force wristwatch in stainless steel with black strap. The stainless steel watch features a black dial with white Arabic numerals and orange batons, hour, minute and second hands. This particular watch is known as the 'Fat Arrow' and was designed in accordance to the stringent specifications of the Ministry of Defence for the RAF. Reference CK2777-1. It is believed that this particular model was not publicly released and only 5,900 models were ordered by the Ministry of Defence. The original watch faces had radium dials and hands and were recalled by the Ministry of Defence, stripped back and repainted with tritium lume with the addition of the white 'T' in a circle under the Omega logo for easy identification of the adjustment and the 'Fat Arrow' above the 6. Fitted with a 283 manual wind 17 jewel movement. The screw case back marked with the military case engravings: Broad Arrow, NATO stock number 6645 101000, RAF Stores Reference code 6B/542 and the Military store issue number for the watch 10179 and the year of issue by the RAF /53.