MWC 24 Jewel 1982 Pattern 300m Automatic Military Divers Watch in Black PVD with a Sapphire Crystal on a NATO Webbing Strap (Non Date Version) chronographs The main difference between this

The main difference between this clock and one used in an actual aircraft cockpit is this clock gets its power from an AA battery whereas an actual aircraft clock is connected to the aircraft's wiring loom

The movement is a  Ronda 515

while the watch may display minor or intermittent issues

24mm wide and 120/80mm long

MWC 24 Jewel 1982 Pattern 300m Automatic Military Divers Watch in Black PVD with a Sapphire Crystal on a NATO Webbing Strap (Non Date Version) chronographs The main difference between thisProduct Code: DIV 82PVD AU ND These diver watches are a remake of one of MWC's 1980s models in a black PVD Steel case, one of the variants of these watches was remade specifically for a U. S. contractor who had secured a large sale to one of their clients, the watch has a robust black PVD stainless steel case and is equipped with a high performance automatic 24 jewel self winding movement. MWC have made a number of upgrades to the original watch such