MWC 100atm/3,280ft WR GTLS Military Dive Watch - Contract Surplus at Half Price!

$199.0 Buy It Now or Best Offer
free,30-Day Returns

Seller Store tactico-eu
(3754) 99.7%,

Location: Dublin
Ships to: US,
Item: 125854568835

Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
Bezel Color:Black
Water Resistance:1000 m (100 ATM)
Movement:Quartz
Indices:Baton Indexes
Year Manufactured:2020-Now
With Papers:Yes
Reference Number:100AT/12/SS/QZ/ST
MWC:MWC
Case Color:Silver
Department:Unisex Adults
Type:Wristwatch
Band Color:Black,Gray
Customized:No
Band Material:Nylon
Dial Color:Black
100AT/12/SS/QZ/ST:100AT/12/SS/QZ/ST
With Original Box/Packaging:Yes
Style:Military
Features:Water-Resistant
Case Material:Stainless Steel
Display:Analog

We managed to secure a small quantity of these watches, which were contract surplus overruns. They are all brand new, and in their boxes, but most of the boxes have labels relating to the contract, although a few do not, the watch is now out of stock on the manufacturer’s website but as you can see in the final image was originally sold at $425 on the US website and £349 on the UK site so at under half price, these are a bargain for the watch with such a high specification. We spoke to MWC, who confirmed that these watches were a once off production run so will not be made again in future with the same exact specification which, as you can see at the bottom of the description, was very exacting. SKU: 100AT/12/SS/QZ/ST The MWC « Depthmaster » Military Diver models are MWC’s latest heavy-duty range and are both extremely robust with a sapphire crystal and being suitable for diving with mixed gases at extreme depths due to the 100atm water resistance rating, they also have a wider strap at 24 mm (most military divers watches use a 20 mm strap) and a non-scratch ceramic bezel which is easier to grip in extreme cold. These watches are specifically designed for use by professional divers under very challenging conditions. All MWC 100ATM models are fitted with a helium escape valve, people often ask us how helium gets into a dive watch in the first place and the answer is very simple, essentially a helium molecule is among the smallest of all molecules. What this means is because they are so small even though the seals are working fine to keep water out the helium molecules can still get through and enter the watch even though other gases and water cannot. The main users professionally of watches with helium escape valves are saturation divers who spend long periods of time at great depth with high pressure, the result is that the helium molecules can build up inside the watch creating pressure inside the case, this can inflict serious damage to the watch and even blow out the crystal or crown when it’s unscrewed, this is potentially extremely dangerous if for example you are just checking or resetting the time, it can also potentially write off the watch. What the helium escape valve does is automatically allow the helium molecules to escape from the watch during decompression when the watch returns to normal standard sea level pressure. The valve is only one way, so it lets the helium out but prevents anything external from getting in. For anyone who does not know why helium is an issue, it’s important to understand why helium is employed for deep diving. The reason is that helium is one of the very few gasses which does not have negative effects such as we see with nitrogen which causes nitrogen narcosis, consequently helium is used to replace nitrogen in most deep-sea mixed gas diving applications. In some situations, professional divers can operate at great depth for extended periods, where they live in dry environments pressurized with an oxygen/helium mix. When the divers surface and decompress after days or even sometimes weeks, this gas must be removed to prevent problems as mentioned earlier such as the crystal or crown being blown out, which can potentially injure or even blind someone. The reality is that most divers will not be living in a pressurized environment for days or weeks on end, this means they will have no need for a watch equipped with a helium valve, regardless of how deep they dive, but with deep diver watches such as our 100ATM range, it’s essentially the valve is there just in case it’s needed because the watch would not be fit for purpose without it. Whilst this watch is very similar to MWC’s other 100 ATM models, but it was produced specifically for a military procurement contract, the contractor specified that the watch should be designed to maintain high levels of accuracy at altitudes up to 12,000 m / 40,000ft without compensatory pressurization. There was an additional requirement that the watch be resistant to magnetic fields up to 4,800 A/m, or about 60 gauss. Quite why these two requirements were specified we don’t know but they were unusually demanding specifications hence, this watch is slightly different MWC’s other watches in the 100ATM range because of the two features referred to above, and also the fact that the contract specified the watches be unbranded with a sterile dial. This particular variant has a European military pattern dial and is finished in brushed stainless steel. The movement is a Ronda 715li movement with 10-year battery life and a hacking function to enable synchronization. Dimensions and Specification: Movement: Swiss Ronda 715li with 10 Year Battery Life and hacking function Water Resistance: 100atm / 3,280ft / 1000 m Screwdown crown Helium Escape Valve Width: Inc Crown 47 mm (Exc Crown 44 mm) Bezel Type: Unidirectional Non-Reflective with Ceramic Insert Thickness: 18 mm Crystal Diameter: 31 mm Crystal Type: Sapphire with Anti-Reflective Coating* Lug to Lug: 48 mm Weight: 132g Case: 316L Stainless Steel Illumination: Luminova on markers, hands, and bezel Strap: 24 mm Military Webbing Strap (1 x Black and 1 x Grey) * A lot of people ask us what are the benefits of sapphire crystal over a standard mineral crystal? The answer is that synthetic sapphire is by far the best material for watch crystals because it is very strong and also shatter and scratch-resistant, these characteristics make it very appealing to military and security personnel, police officers and people who lead active outdoor lifestyles, these groups account for over 70% of our customers. To get things into perspective we find that when clients have accidents with watches resulting in a cracked crystal over 90% usually watches with mineral glass crystals, even factoring in that we use hardened mineral crystals they still do not come close to sapphire for durability under adverse conditions. The reason that sapphire crystals are so strong is that after the sapphire glass is manufactured it is also heat-treated to remove its internal stresses—which can cause weakness—it is then made into the watch crystals and two layers of anti-reflective coating are applied, interestingly sapphire crystal is now used on the latest iPhone. Of course, sapphire crystal comes at a price, hence you find that it’s normally only fitted to higher-end watches.

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