Longines Heritage Military COSD Hands On Longines Luxury Watches Swiss watches by wholesalewatches - February 7, 2016January 20, 20160 This military watch is designed for British paratroopers in the 1940s. It is characterised by a sober design with large Arabic numerals, a red 24-hour scale and a NATO strap. The watch was marked with the initials COSD and was intended for the sole use of the Combined Operations Command created