SKU: 5037539590

MWC "Depthmaster" 100atm / 3,280ft / 1000m Water Resistant Military Divers Watch in a Titanium Case with GTLS and Helium Valve (Automatic)

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Description

MWC "Depthmaster" 100atm / 3,280ft / 1000m Water Resistant Military Divers Watch in a Titanium Case with GTLS and Helium Valve (Automatic)SKU: T100AT 1224 ST SLA The MWC Titanium Depthmaster is our latest heavy duty professional dive watch and is engineered for extreme environments. Designed around real operational requirements rather than cosmetic dive styling, this model combines 100ATM (1000m 3,280ft) water resistance, a sapphire crystal, ceramic bezel and always on GTLS tritium illumination. Unlike many oversized dive watches, the Depthmaster is built to remain wearable for extended

SKU: T100AT/1224/ST/SLA

The MWC Titanium Depthmaster is our latest heavy-duty professional dive watch and is engineered for extreme environments. Designed around real operational requirements rather than cosmetic “dive styling,” this model combines 100ATM (1000m / 3,280ft) water resistance, a sapphire crystal, ceramic bezel and always on GTLS / tritium illumination.

Unlike many oversized dive watches, the Depthmaster is built to remain wearable for extended periods. Large military watches are frequently manufactured in titanium to reduce fatigue — the reduction in weight makes a substantial difference when worn daily for long durations, particularly on a 47mm watch designed for all types of diving from Scuba to Saturation diving.

The watch uses a wider 24mm strap (most military divers use 20mm) for improved stability and security during active use, and the ceramic bezel offers excellent grip even in wet or extremely cold conditions.

This particular variant features a 24-hour military dial for quick time interpretation in operational or low-light conditions.


Tritium GTLS Illumination

The Depthmaster uses GTLS tritium tubes on the hands and markers. Unlike conventional lume, tritium does not require charging from sunlight or artificial light. The watch remains readable continuously, all night, every night and GTLS tritium tubes typically remain useful for about 20–25 years — making it especially suitable for military, security, aviation and maritime use.

The bezel markings additionally use Luminova for high initial brightness when exposed to light.


Helium Escape Valve (Why It Exists)

All MWC 100ATM models include an automatic helium escape valve.

Helium molecules are extremely small. During saturation diving, they can slowly enter the watch case while divers live in pressurised environments using helium-oxygen breathing mixtures. When the diver returns to surface pressure, trapped helium expands and can force out the crystal or damage the crown.

The one-way valve automatically releases the internal gas during decompression, preventing damage to the watch.

This feature is primarily required by saturation divers. Most recreational divers will never need it, but a true professional-grade deep diver must include it to be fully fit for purpose.


Sapphire Crystal

The watch is fitted with an anti-reflective sapphire crystal. Sapphire is significantly more scratch- and impact-resistant than mineral glass and far more durable than acrylic. In real-world service use, the overwhelming majority of cracked crystals occur on mineral or acrylic watches — sapphire dramatically reduces that risk.


Movement

The Depthmaster is powered by the reliable 24-jewel NH35A automatic movement with hacking function, allowing precise synchronisation.
Power reserve: approximately 41 hours.


Specifications

Movement: 24-Jewel Automatic NH35A with hacking (hand-winding capable)
Water Resistance:
100ATM / 1000m / 3,280ft
Crown:
Screw-down, sealed
Helium Escape Valve:
Automatic one-way release valve
Case Diameter:
44mm (47mm including crown)
Thickness:
18mm
Lug-to-Lug Length:
48mm
Case Material: 
Titanium
Crystal:
Sapphire with anti-reflective coating
Crystal Diameter:
31mm
Bezel:
Unidirectional dive bezel with ceramic insert
Illumination:
Tritium GTLS tubes on hands & markers, Luminova on bezel
Lugs:
Spring-bars
Strap:
24mm military NATO webbing strap
Weight:
Approx. 85g


Designed for Real Conditions

Professional divers, maritime personnel and military users often operate in cold, wet and high-pressure environments for extended periods. Watches in this category are intended to be reliable equipment rather than jewellery. The Depthmaster is built accordingly: high water resistance, continuous night visibility, shock resistance and simple operation while wearing gloves.

This is not a fashion diver — it is a functional instrument watch engineered for harsh service conditions.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 5037539590

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Verified Purchase
MsBWKWJ
Natrona Heights, US
★★★★★ 5
Recommended by my veterinarian
Size: Small (Pack of 1), Product Packaging: Standard Packaging
My veterinarian recommended the red Kong as a chew toy. I’d been buying my 13 lb, now 7 yrs old dachshund the flavored nylabone chew toy products “for aggressive chewers” since he was about a year old. He loves them and would chew them daily. All seemed well. On his last checkup the veterinarian even said that his mouth looked good, but we both could see that there was a brown tartar buildup on his back teeth. Since our veterinarian’s practice has one veterinarian who has dental training, I decided to arrange for a teeth cleaning for my dog. Unfortunately, although none of us expected it, once the tartar was removed from the back teeth it was clear that the teeth had cracks. One large tooth was even chipped down to where we could see the pulp! (Yes, I did note that he occasionally would suddenly squeal when chewing his nylabone, but I thought it was because he’d hit one of the sharp points on a well-chewed nylabone.) The vet recommended that two of the teeth be removed while the dog was still asleep. Then he recommended the red Kong chews for him and said that he would never recommend the nylabone for any dog. They are just too hard and he’s seen too many dogs (of all sizes) end up with cracked and chipped teeth that he (the vet) thinks could have been avoided. He recommended the red Kong for my small dog. The black Kong chew toys are harder and more suited for larger breed aggressive chewers. So far my dachshund is satisfied with chewing the Kong, so that’s what I’ll be buying from now on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 14, 2024
L
Verified Purchase
Lesley
Houston, US
★★★★★ 5
Withstands big dog
Color: Green Cactus
As a dog mom to two active pups, I’ve gone through a LOT of chew toys over the years and honestly, many of them just didn’t hold up. Some cracked, broke apart quickly, or became rough after only a short time of chewing. That’s why I was genuinely impressed with the MewaJump chew toy. Both of my dogs immediately loved it, and what stood out most to me was how durable it’s been compared to other toys we’ve tried. It’s held up really well with aggressive chewing while still seeming safe and comfortable for them to use. I also love that it keeps them entertained and engaged longer without constantly worrying about pieces breaking off. Definitely one of the better dog toys we’ve added to our home lately and Molly and Piper would agree.
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Reviewed in the United States on May 15, 2026
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Verified Purchase
THAILEI L SMITH
Pawtucket, US
★★★★★ 5
Not recommended for strong chewers.
Color: Green Cactus
There was nothing wrong with this. But my dog is an absolute destroyer. She makes it her personal mission to annihilate any toy I buy. This did not last 30 minutes. Very cute and good for normal dogs that like to actually have toys to play with. Do not recommend for strong jaw destroyers.
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Reviewed in the United States on June 8, 2026
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Verified Purchase
DianaZ
Draper, US
★★★★★ 5
Fun and indestructible!
Color: Green Cactus
The dogs love this toy. And so far it’s been indestructible with constant playing and chewing
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Reviewed in the United States on June 5, 2026
L
Verified Purchase
Lauren
Alexandria, US
★★★★★ 4
Durable for light to medium chewers - not heavy
Color: Green Cactus
obviously cute. not super durable - lasted a good minute but disintegrates fairly quickly and eventually nothing was left - having to high monitor with a big chewer. (10 mo Great Dane)
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Reviewed in the United States on April 4, 2026

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