Issued to the pilots of the Royal Navy's Fleet Air Arm (amongst others), these rugged 39mm Lemania "single button" chronographs were designed as some of the finest instruments of their day. Made by the world's most respected chronograph manufacturer (even supplying Patek up until just a few years ago) these large size military watches featured highly legible (luminous) dials and the single-pusher calibre 2220  manual wind, shock-resisting movement. Sturdy screw-back case, designed to be water-resistant. In truly superb opriginal condition with rich patina, fitted to a black Nato strap. Covered by our 2-year warranty.