Movement Modified calibre 13 1/4’’’ BE-51AE automatic, 27 jewels, Glucydur balance, Anachron balance spring, Nivaflex 1 mainspring, 28,800 bph (4Hz), 48-hour power reserve. Bremont moulded and decorated rotor. Functions Hour/minutes, small seconds counter at 9H. Date at 6H. Chronograph centre sweep seconds hand, 30 minutes counter at 3H. Monopusher at 2H. Case Satin and polished two-piece MoD stainless steel case. Case diameter 42mm, lug width 20mm. Case Back Stainless steel engraved with Her Majesty’s Armed Forces Heraldic Badges. Dial & Hands ‘Dirty Dozen’ inspired black metal dial with custom mint colour Super-LumiNova®. Matte black, C1 Super-LumiNova® filled hands. Orange minute hand. Crystal Domed anti-reflective, scratch resistant sapphire crystal. Water Resistance Water resistant to 10 ATM, 100 metres. Strap 20mm RAF blue sailcloth strap. Ratings & Certification Chronometer rated to ISO 3159 standard.