SKU: 66423502198

MWC "Depthmaster" 100atm / 3,280ft / 1000m Water Resistant Military Divers Watch in Stainless Steel Case with Helium Valve (Quartz)

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Description

MWC "Depthmaster" 100atm / 3,280ft / 1000m Water Resistant Military Divers Watch in Stainless Steel Case with Helium Valve (Quartz)SKU: 100ATM 1224 SS QZ The MWC "Depthmaster" Military Diver models are MWC's latest heavy duty range, built to withstand extreme conditions. These watches are exceptionally 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

SKU: 100ATM/1224/SS/QZ

The MWC "Depthmaster" Military Diver models are MWC's latest heavy-duty range, built to withstand extreme conditions. These watches are exceptionally 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. These watches are specifically designed for professional divers operating under very challenging conditions.

Key Features

Helium Escape Valve: All MWC 100ATM models include a helium escape valve. Helium molecules, being among the smallest, can penetrate the watch seals even when other gases and water cannot. Saturation divers, who spend long periods at great depths under high pressure, are the primary users of watches with helium escape valves. Helium molecules can build up inside the watch, creating pressure that can damage the watch or blow out the crystal or crown. The helium escape valve automatically releases the helium during decompression, preventing such issues.

Importance of Helium in Deep Diving: Helium is used in deep-sea mixed gas diving because it does not cause nitrogen narcosis, unlike nitrogen. Divers in pressurized environments with an oxygen/helium mix need the gas to be safely removed during decompression to avoid injuries or damage to the watch.

Specifications

  • Movement: Ronda 715li quartz with hacking function and a 10-year battery life
  • Water Resistance: 100atm / 3,280ft / 1000m
  • Crown: Screw-down locking
  • Helium Escape Valve: Yes
  • Dimensions:
    • Width: Including Crown 47mm (Excluding Crown 44mm)
    • Thickness: 18mm
    • Crystal Diameter: 31mm
    • Lug to Lug: 48mm
    • Weight: 132g
  • Bezel: Unidirectional non-reflective with ceramic insert
  • Crystal Type: Sapphire with Anti-Reflective Coating*
  • Case: 316L Stainless Steel
  • Illumination: Luminova on markers, hands, and bezel
  • Strap: 24mm NATO Webbing Strap (1 x Black and 1 x Grey)

Benefits of Sapphire Crystal

Synthetic sapphire is the best material for watch crystals due to its strength and shatter and scratch resistance. These characteristics make it highly appealing to military and security personnel, police officers, and those who lead active outdoor lifestyles. These groups account for over 70% of our customers. Over 90% of cracked crystal incidents involve watches with mineral glass crystals. Even hardened mineral crystals do not match sapphire's durability under adverse conditions. Sapphire crystals are heat-treated to remove internal stresses, enhancing their strength, and are made with two layers of anti-reflective coating. While sapphire crystal is more expensive, it is typically fitted to higher-end watches and is now used in the latest iPhone models.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 66423502198

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4.1 ★★★★★
Based on 27 reviews
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E
Verified Purchase
E. M. Zobrist
Carnegie, US
★★★★★ 4
Great shoes
Size: 10, Color: Grey, Size: 10, Color: Grey
I got 2 pairs of these specifically for a water rafting trip. The first pair was a little large, so I went down a half size ( and gave the larger pair to my son). They are comfortable, even for wide feet - although after a long day of use in the water, there was some chaffing on the outsides of my feet. It loosened up a bit across my wide foot, after getting wet. These worked great! They have adjustable strap across the back, that pulls tight on the outside. the laces are elastic and tighten by pulling and then pushing the stopper down onto the laces. They didn't slip (loosen) but, to get them tight, I had excessive amount of laces hanging out (had to tuck them into the tongue.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 2, 2024
Z
Verified Purchase
Z. Khin
Phoenix, US
★★★★★ 5
Exactly what I was looking for
Size: 9-9.5, Color: Black Denim Blue
Perfect for what I wanted in an active casual shoe. Love the tread, it's both grippy and durable but flexible, the fit, adjustability, easy to take on and off, perfect amount of cushion and stability. Can wear with or without socks comfortably.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
G
Verified Purchase
Gary R
Whiting, US
★★★★★ 5
Excellent value!
Size: 10.5, Color: Black
Very well Made. Just received these and was surprised at the quality of the materials and they way they look. Much higher quality than the oriental point. They are comfortable and fit very well. I ordered 10.5, nice room in the box. I have not worn them yet, first impressions are positive. I will update after wearing them for awhile. So far, very happy with the purchase! Black and orange color looks great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
P
Verified Purchase
Pete V
Fort Morgan, US
★★★★★ 5
Perfect fit
Size: 9-9.5, Color: Blue/Grey
I think these shoes are excellent. I ordered a pair which arrived after 2 days. Contrary to some reviews I do not find these water shoes a tight fit at all. And I have bunions. Indeed I find them very comfortable. I have used them in water and as advertised they drain dry pretty quickly. In short I am delighted with the shoes. So much so that I ordered a second pair. Different colour of course. They just arrived and I am wearing them now. Same size and just as comfortable. Thank you.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
K
Verified Purchase
K.C.
Cuba, US
★★★★★ 1
One day of use, then it rubbed against my toes and caused cuts
Size: 9-9.5, Color: Black Denim Blue, Size: 9-9.5, Color: Black Denim Blue
I got these right before a trip to Costa Rica where we would be doing a lot of hiking, some tubing, and be in and out of water. They felt great when I first tried them on and I was optimistic. Our first day, we hiked a total of about 5 miles in the forest and along a river, with some swimming in pools throughout the hike. These weren't difficult trails, but a mix of gravel, rock, dirt, etc. The shoes felt fantastic and were comfortable all day. Later that evening, after they had mostly dried out, we did another mile or so to some other pools and I had no problem. During that hike I was so happy I was actually talking to my kids about what great things I was going to say in a review. The following day however, as soon as I put on the sandals, just walking to the hotel pool, the top of the shoe, just above my big toes, was bending and rubbing against my toes. It was very noticeable and I took them off and made sure there was no sand or anything else causing the irritation. I had no other choice that day and we ended up back on a similar trail, hiking a total of about 1.5 miles, with it rubbing against my toes the entire time. I tried both tightening and loosening the shoes and changing my stride to step more flat footed so they wouldn't bend at the back of my step, but that didn't help. Neither did getting them wet again, hoping to soften something up. By the time we were half way through that hike, there were visible raw spots on top of both my big toes. By the time we were done, they had become sores and very painful. The following day, we walked on the sidewalk to breakfast about three blocks away and it hurt bad enough that I found a store and bought a pair of flip-flops instead. I haven't worn the sandals since. I can't tell exactly what's going on inside the shoe, but I think the leathery part of the shoe is pushing down at the natural break in the toe area when I step, and the mesh is rubbing. Since I've worn them outside and been swimming in them, I can't return them, but they're basically useless after one good day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 29, 2025

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