MWC "Submariner / Naval Crew Divers Watch" 500m (1,640ft) Water Resistant Dual Time Zone Military Watch in a Stainless Steel Case with GTLS and Helium Valve 18mm Strap such as the UK W10

such as the UK W10 models and the IWC MKX

available in both black and brown and in sizes 18mm and 20mm

Most recreational divers will never need it

Strap: 20mm NATO webbing strap (includes 2 NATO straps)

While that era has largely passed

MWC "Submariner / Naval Crew Divers Watch" 500m (1,640ft) Water Resistant Dual Time Zone Military Watch in a Stainless Steel Case with GTLS and Helium Valve 18mm Strap such as the UK W10SKU: 500M SUBC SS The MWC "Naval Crew" range of Military Divers models is part of MWC's latest heavy duty collection, featuring two variants: one with a stainless steel finish and the other in covert non reflective PVD steel. These watches are equipped with red T100 tritium GTLS tubes, ideal for preserving night vision on a ship's bridge or in a submarine. Submarines are typically 'rigged for red' to allow the use of the periscope at night, dusk, and