MWC 1940s/1950s "Dirty Dozen" Pattern General Service Watch with Automatic Self Winding Mechanical Movement 20mm NATO Straps Helium Escape Valve: Essential for

Helium Escape Valve: Essential for saturation divers to prevent internal pressure buildup from helium molecules

Sapphire is exceptionally hard and highly resistant to scratching and impact damage

MWC hybrid watches combine the best of both new and traditional watchmaking technology

with case sizes of around 50mm

MWC 1940s/1950s "Dirty Dozen" Pattern General Service Watch with Automatic Self Winding Mechanical Movement 20mm NATO Straps Helium Escape Valve: Essential forSKU Code: DD 01 AU LTD This automatic self winding MWC military watch features a classic 1940s 1950s design with a small subsidiary dial second hand, based on the typical designs used by the British forces from the 1940s through to the 1950s. It retains the acrylic crystal used on the original watches, although the hand winding mechanical movement has been upgraded to a self winding automatic, which can also be manually wound if required. This blend