MWC "Depthmaster" 100atm / 3,280ft / 1000m Water Resistant Military Divers Watch in PVD Stainless Steel Case with Helium Valve (Quartz) security products Sapphire crystal is the best

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

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

SKU Code: SUB/SS/B/AB

These watches offer exceptional value and are competitively priced for high-performance automatic watches of this caliber

which are significantly brighter than conventional luminous watches

MWC "Depthmaster" 100atm / 3,280ft / 1000m Water Resistant Military Divers Watch in PVD Stainless Steel Case with Helium Valve (Quartz) security products Sapphire crystal is the bestSKU: 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.