The only timepiece in the world allowed to use the signs, symbols and Heraldic badges of the Royal Navy, British Army and the Royal Air Force. This Bremont Armed Forces Arrow Automatic Men\'s Watch was inspired by a range of watches created for the British Army during WWII known as the \'Dirty Dozen\'. At A Glance  Presented on a RAF blue sailcloth strap 42mm case dial with 100m water resistance \'Dirty Dozen\' inspired black dial with mint coloured Super-LumiNova filled hands Chronograph sub dials Numbered hour markers with date window at 6 o\'clock Scratch resistant sapphire crystal glass Stainless steel case back with engraved Her Majesty\'s Armed Forces Heraldic Badges Powered by a Swiss BE-51AE calibre automatic movement Power reserve of 48 hours