SKU: 42052122831

MWC "Submariner / Naval Crew Divers Watch" in Covert Black PVD 500m (1,640ft) Water Resistant Dual Time Zone Military Watch in PVD Stainless Steel Case with GTLS and Helium Valve

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Description

MWC "Submariner / Naval Crew Divers Watch" in Covert Black PVD 500m (1,640ft) Water Resistant Dual Time Zone Military Watch in PVD Stainless Steel Case with GTLS and Helium ValveSKU: 500M SUBC PVD The MWC "Naval Crew" range of Military Divers models represents one of MWC's latest heavy duty series, available in two versions: covert non reflective PVD steel and standard stainless steel. These watches are specifically designed for demanding environments, using red T100 tritium GTLS tubes to preserve night vision on a ship's bridge or in a submarine. Submarines are typically 'rigged for red' to allow periscope use at night,

SKU: 500M/SUBC/PVD

The MWC "Naval Crew" range of Military Divers models represents one of MWC's latest heavy-duty series, available in two versions: covert non-reflective PVD steel and standard stainless steel. These watches are specifically designed for demanding environments, using red T100 tritium GTLS tubes to preserve night vision on a ship's bridge or in a submarine. Submarines are typically 'rigged for red' to allow periscope use at night, dusk, and dawn without interference from bright lights in the control room. This red lighting helps operators avoid the adjustment period to night conditions, crucial when a submarine is most vulnerable at periscope depth. These watches were specifically ordered by submarine crews for this purpose.

Both models are built to be exceptionally robust, featuring shatter and scratch-resistant sapphire crystals for enhanced durability. They are versatile, suitable for onboard use and deep diving with mixed gases. With a water resistance rating of 500m (1,640ft), a wide 24mm strap, and a non-scratch ceramic bezel designed for easy grip in cold and icy conditions, these watches are perfect for challenging environments.

Key Features:

  • Movement: High-quality Ronda GMT 515.24H with a hacking function for synchronization. The GMT feature adds a second independently adjustable hour hand that travels around the dial in 24 hours, eliminating confusion between a.m. and p.m. and making it easy to read dual time zones.
  • Helium Escape Valve: All MWC 500m models are equipped with a helium escape valve, essential for saturation divers. Helium molecules can penetrate the seals under high pressure, and the valve allows them to escape during decompression, preventing damage to the watch.
  • Durability: The case is made from 316L PVD stainless steel with a covert matte black non-reflective finish, specified in military contracts for special forces units, anti-terrorist units, and various covert operations. The PVD process chemically alters the steel at a molecular level, making it significantly more durable than lower-quality painted finishes.

Dimensions and Specifications:

  • Water Resistance: 500m (1,640ft)
  • Crown: Screw Down Locking
  • Helium Escape Valve
  • Width: 48mm (including crown), 43mm (excluding crown)
  • Thickness: 16mm
  • Weight: 120g (including strap)
  • Crystal Diameter: 31mm
  • Crystal Type: Shatter and Scratch Resistant Sapphire with Anti-Reflective Coating
  • Lug to Lug: 50mm
  • Case: 316L PVD Stainless Steel
  • Movement: Ronda GMT 515.24H with hacking function
  • Battery Life: Approx. 45 months
  • Illumination: GTLS T100 Tritium on dial and hands
  • Strap: 24mm NATO Webbing Strap

Benefits of Sapphire Crystal:

Synthetic sapphire is the best material for watch crystals due to its exceptional strength and resistance to shattering and scratching. These characteristics make it highly appealing to military and security personnel, police officers, and those with active outdoor lifestyles, accounting for over 70% of our customers. In accidents resulting in a cracked crystal, over 90% involve watches with mineral glass crystals. Even hardened mineral crystals do not match the durability of sapphire. Heat-treated to remove internal stresses, sapphire crystals are then coated with two layers of anti-reflective coating, making them even stronger. Although more expensive, sapphire crystal is typically found on higher-end watches and is also used in the latest iPhones.

These attributes make the MWC "Naval Crew" range an excellent choice for those seeking a robust, reliable, and stylish timepiece suitable for both professional diving and demanding everyday use.

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: 42052122831

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Amazon Customer
Lake Worth, US
★★★★★ 4
Easy rolling base
Size: Large, Color: Black
I purchased the umbrella base to enabling the ability to hold our umbrella and easy maneuver the umbrella on a paver patio. The base supported the umbrella and rolled sufficiently on the paver surface. However I did have an issue when readying the base for storage that the plastic umbrella pole support caused a black staining liquid on the pavers when it spilled on the patio
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Reviewed in the United States on June 10, 2025
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M.E.
Birmingham, US
★★★★★ 5
Good Value
Size: Extra Large, Color: Black
Very easy to assemble, good instructions, seems to be decent quality.
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Reviewed in the United States on April 9, 2026
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Blue85
New York, US
★★★★★ 5
Easy to set up, easy to use, easy to move around, holds up well with strong wind.
Size: Large, Color: Black, Size: Large, Color: Black
Very easy to set up and start using within minutes. Easy to move around. It holds up well with wind gusts up to 35MPH (when umbrellas are closed and the brakes are engaged).
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Reviewed in the United States on April 17, 2026
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Pat metsala
Bozeman, US
★★★★★ 5
Really nice umbrella base!
Size: Large, Color: Black
Love this base! It holds all size umbrellas. Very sturdy and the wheels are great! Has screws to hold the umbrella pole. I am so happy I bought this base!
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Reviewed in the United States on February 14, 2026
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VV_Kevin
Carnegie, US
★★★★★ 3
Holds the umbrella in moderate winds.... but very difficult to roll around
Size: Large, Color: Black
Really wanted something that was mobile - and this is, but just barely. Wheels bind and get hung up on the smallest ridge or bump. It really takes two people to do it.
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Reviewed in the United States on September 13, 2024

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