MWC "Depthmaster" 100atm / 3,280ft / 1000m Water Resistant Military Divers Watch in a PVD Titanium Case with Luminova and a Helium Valve (Automatic) GMT The helium molecules can build

The helium molecules can build up inside the watch

oil and gas companies

then an additional 24-hour time scale is added to a bezel hence the reason some GMT watches at quick glance look similar to divers watches

The original WW2 watches made for the Wehrmacht

MWC "Depthmaster" 100atm / 3,280ft / 1000m Water Resistant Military Divers Watch in a PVD Titanium Case with Luminova and a Helium Valve (Automatic) GMT The helium molecules can buildSKU: T100AT 12 PVD AUT The MWC Titanium Depthmaster is our latest heavy duty professional dive watch and is engineered for extreme environments. Designed around real operational requirements rather than cosmetic dive styling, this model combines 100ATM (1000m 3,280ft) water resistance, a sapphire crystal, ceramic bezel and Luminova for first rate night time performance. Unlike many oversized dive watches, the Depthmaster is built to remain wearable