MWC NATO Pattern Stainless Steel Military Pilots Chronograph with Sapphire Crystal and Swiss Ronda Movement 22mm Bracelet This feature is primarily required

This feature is primarily required by saturation divers

and a screw-down case back

powered by a non-hacking movement

sapphire crystals are far more durable

MWC NATO Pattern Stainless Steel Military Pilots Chronograph with Sapphire Crystal and Swiss Ronda Movement 22mm Bracelet This feature is primarily requiredSKU Code: TN7 BD CDB 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 same specifications used by several other leading military 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 Swiss Ronda 5040. D movement.