MWC "Depthmaster" 100atm / 3,280ft / 1000m Water Resistant Military Divers Watch in Stainless Steel Case with Helium Valve (Quartz)
SKU: 100AT/12/SS/QZ/ST MWC "Depthmaster" Military Diver Model The MWC "Depthmaster" Military Diver models are MWC's latest heavy-duty range. These watches are extremely robust, featuring a sapphire crystal and a 100atm water resistance rating, making them suitable for diving with mixed gases at extreme depths. They also come with a wider 24mm strap (most military diver watches use a 20mm strap) and a non-scratch ceramic bezel, which is easier to grip in extreme cold. These watches are specifically designed for professional divers operating under very challenging conditions. Helium Escape Valve All MWC 100ATM models are fitted with a helium escape valve. People often ask how helium gets into a dive watch. Essentially, a helium molecule is among the smallest of all molecules. Because they are so small, even though the seals keep water out, helium molecules can still enter the watch. Professional users of watches with helium escape valves are saturation divers who spend long periods at gr