SKU: 33745212353

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

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Description

MWC "Depthmaster" 100atm / 3,280ft / 1000m Water Resistant Military Divers Watch in PVD Stainless Steel Case with Helium Valve (Quartz)SKU: 100ATM 12 PVD QZ The MWC "Depthmaster" range of Military Diver models represents MWC's latest heavy duty collection. These watches are extremely 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.

SKU: 100ATM/12/PVD/QZ

The MWC "Depthmaster" range of Military Diver models represents MWC's latest heavy-duty collection. These watches are extremely 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 are among the smallest, allowing them to 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 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: 140g
  • Bezel: Unidirectional non-reflective with ceramic insert
  • Crystal Type: Sapphire with Anti-Reflective Coating*
  • Case: 316L PVD Stainless Steel
  • Illumination: Luminova on markers, hands, and bezel
  • Strap: 24mm NATO Webbing Strap

Benefits of PVD Finish

The special covert matte black non-reflective PVD finish used for this watch is often specified in military contracts for special forces units, anti-terrorist units, and various covert operations. The PVD process creates a black finish on the steel that is vastly superior to painted finishes, which can easily fade or rub off. This PVD process means that the color of the steel is altered at a molecular level, ensuring it does not deteriorate even during heavy usage. However, the finish can be compromised if the case is severely damaged.

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.

This watch is used by explorer and adventure filmmaker Tom Smith. You can see it featured in some of his images and videos. For more information, visit his YouTube channel here and watch his latest adventures here.

    Shipping Notes
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    Exchange/Return Notes
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    SKU: 33745212353

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    4.6 ★★★★★
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    Janelle Fairbanks
    Waukegan, US
    ★★★★★ 4
    Best for a single dog but quality products
    Color: Lake Blue, Size: Large Size 3 (8")
    Straps didn’t hold up my two herding dogs did a number on it but it is a quality product the ball itself is still in tact
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 15, 2026
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    Verified Purchase
    Cary johnson
    Pawtucket, US
    ★★★★★ 5
    its a great fun toy fir all of us
    Color: Red-Blue, Size: Medium Size 2 (6")
    its very tough so our dogs cant tear it up but soft enough so they get an easy hold. They absolutely love. great dog toy!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 27, 2026
    M
    Verified Purchase
    momOfMaxx
    Grantham, US
    ★★★★★ 5
    zelda‘s “indoor” ⚽️ ball!
    Color: Squeaky Green, Size: Medium Size 2 (6")
    zelda loves her soccer ball - because of the fabric “tabs”, and the way she treats her toys, we keep it inside. she loves to place all of her toys and bones on our bed, after they’ve been cleaned. this ball is perfect and soft enough to throw it down our steps, where she will run down, retrieve it, and bring it back to the bed. it arrives deflated and comes with the pump and two needles - the pump is not the sturdiest and felt like it was not inflating, but after only having to reflate it once with a bit of air since receiving it ~5-6 months ago, it still holds up!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 2, 2026
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    Verified Purchase
    Desy
    Battle Creek, US
    ★★★★★ 3
    Small for a medium
    Color: Red-Blue, Size: Medium Size 2 (6"), Color: Red-Blue, Size: Medium Size 2 (6")
    I got medium.. and it does not look like a medium ball.. it’s rather small. It’s pretty sturdy and my dogs went crazy for it but it’s definitely not the size I thought it was going to be 😂 my dogs chewed one strap within 5 minutes of having it but they’re dogs and that’s what they do lol. I bought this to be an outside ball for them! It’s pretty light but that’s probably because it’s small. Not soft? But feels like a soccer ball. It also had no smell coming out of the box. Also comes with a pump and an extra thing to put in the ball to pump in case you lose one. I like these balls, I expect them to be chewed up because that’s what I bought them for! Fun for my dogs and they are! But the size… it is not medium and that’s the only reason for 3 stars 😂😂😂 Other then that I recommend, your dog will definitely love this! Inside or outside playing! Alone or with another dog!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on October 15, 2025
    J
    Verified Purchase
    James T.
    Louisville, US
    ★★★★★ 5
    Great toy for a GSD
    Color: Blue Gray, Size: Extra Large Size 5 (9")
    My GSD loves to grab the flaps and shake her head with the ball bouncing of the side of her head. This is her favorite toy. I thought she would puncture it but it has held up great since she likes to grab the flaps rather than biting the ball.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 6, 2026

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