MWC "Depthmaster" 100atm / 3,280ft / 1000m Water Resistant Military Divers Watch in PVD Stainless Steel Case with Helium Valve (Quartz) security products these watches were based on

these watches were based on a US government specification from that era

Movement: Seiko NH35A 24-Jewel Automatic (with hacking function and 41-hour reserve)

SKU Code: MKIII/AU/SS/1224

and clarity

Sapphire crystal is the best material for watch crystals due to its exceptional strength

MWC "Depthmaster" 100atm / 3,280ft / 1000m Water Resistant Military Divers Watch in PVD Stainless Steel Case with Helium Valve (Quartz) security products these watches were based onSKU: 100ATM 12 PVD QZ The MWC "Depthmaster" range of Military Diver models represents MWC's latest heavy duty collection. 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 that is easier to grip in extreme cold.