MWC NATO Pattern Stainless Steel Hybrid Military Pilots Chronograph with Sapphire CrystalSKU Code: CHR20 SS HY The MWC NATO chronograph in a stainless steel case is designed to meet the needs of military aircrews, airline pilots, and GA pilots. While based on the specifications used by other leading manufacturers of NATO chronographs, this watch includes several improvements for enhanced operation and visibility. The case size is 45. 5mm, and the chronograph uses a high performance VK68 hybrid movement. Key Features: 24 Hour Sub Dial: