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
    • Free Standard Shipping on $100+ Orders to the USA.
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    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
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    SKU: 33745212353

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    4.6 ★★★★★
    Based on 12 reviews
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    J
    Verified Purchase
    Joseph J.
    Draper, US
    ★★★★★ 5
    Great timepiece!
    Color: Silver/Blue
    This is a cool watch! I collect many different styles & price points of watches. There is nothing not to like about this watch. The dial, strap & completely luminous dial make it a great time piece. It's a smart looking field watch that lays nicely on the wrist. $20 is an amazing bargain for this watch. Highly recommend!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 19, 2026
    D
    Verified Purchase
    1300Defender
    Lexington, US
    ★★★★★ 3
    Battery life expectancy is below average.
    Color: Silver/Green
    Love the watch. But now is dead …battery did not last not even 2 years.. look and feel and overall quality is great battery not so much.. now I am hunting for another watch again..
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on March 19, 2026
    A
    Verified Purchase
    Anthony
    New York, US
    ★★★★★ 5
    Good value for money.
    Color: Silver/Green
    Nice looking watch, very readable, good luminescence, good value for money.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on February 20, 2026
    D
    Verified Purchase
    Dipaby y Gesita
    Whiting, US
    ★★★★★ 5
    Nice!
    Size: One Size, Color: Black - Magnetic Front Pocket
    Nice!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 21, 2026
    C
    Verified Purchase
    Cliente de Amazon
    Massapequa, US
    ★★★★★ 4
    Compacta pero útil
    Size: One Size, Color: Tan - Magnetic Front Pocket
    Calidad muy buena. Si te gusta una billetera pequeña esta es una buena opción, es muy práctica. Advertencia: es muy compacta así que a lo mucho entran unas 4-5 tarjetas
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    Reviewed in the United States on March 19, 2025

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