MWC "Submariner / Naval Crew Divers Watch" in Covert Black PVD 500m (1,640ft) Water Resistant Dual Time Zone Military Watch in PVD Stainless Steel Case with GTLS and Helium Valve Limited Edition Infantry The main distinctions lie in

The main distinctions lie in the buckles and keepers:

For over forty years

creating pressure that can damage the watch or blow out the crystal or crown

Straps: Supplied with 2 x 20mm NATO straps (one in black

MWC "Submariner / Naval Crew Divers Watch" in Covert Black PVD 500m (1,640ft) Water Resistant Dual Time Zone Military Watch in PVD Stainless Steel Case with GTLS and Helium Valve Limited Edition Infantry The main distinctions lie inSKU: 500M SUBC PVD The MWC "Naval Crew" range of Military Divers models represents one of MWC's latest heavy duty series, available in two versions: covert non reflective PVD steel and standard stainless steel. These watches are specifically designed for demanding environments, using red T100 tritium GTLS tubes to preserve night vision on a ship's bridge or in a submarine. Submarines are typically 'rigged for red' to allow periscope use at night,