SKU: 92361198036

MWC 21 Jewel 300m Automatic Military Divers Watch on Bracelet with Tritium GTLS, Sapphire Crystal and Ceramic Bezel

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Description

MWC 21 Jewel 300m Automatic Military Divers Watch on Bracelet with Tritium GTLS, Sapphire Crystal and Ceramic BezelSKU Code: SUA SLSSBB MY This durable 300m water resistant watch is specially designed for divers and general marine applications. Its ceramic bezel features high visibility numerals, and the dial is exceptionally clear and easy to read, even in low light conditions. The watch is equipped with Tritium GTLS (Gaseous Tritium Light Sources), which are significantly brighter than conventional luminous watches. The timepiece features a high quality 21 Jewel

SKU Code: SUA/SLSSBB/MY

This durable 300m water-resistant watch is specially designed for divers and general marine applications. Its ceramic bezel features high-visibility numerals, and the dial is exceptionally clear and easy to read, even in low-light conditions. The watch is equipped with Tritium GTLS (Gaseous Tritium Light Sources), which are significantly brighter than conventional luminous watches.

The timepiece features a high-quality 21 Jewel Cal. 8215 Automatic Movement and is water-resistant up to 30 ATM (1000 ft / 300m). Both the case and bracelet are crafted from stainless steel.

The military-grade sapphire crystal is highly scratch-resistant, with two internal layers of anti-reflective coating. The dial includes a radioactive tritium symbol. Tritium is a radioactive isotope of hydrogen, emitting beta particles that cannot penetrate skin, plastic, or glass. While the vials contain radioactive gas, the total amount is well below the personal limit of 25 millicuries, as specified by the U.S. Nuclear Regulatory Commission (10 CFR 30.15).

Dimensions and Specifications:

  • Water Resistance: 300m / 1000ft
  • Movement: Cal. 8215 21 Jewel Automatic
  • Light Source: GTLS Tritium Light Sources
  • Case Width (Excluding Crown): 40mm
  • Case Width (Including Crown): 45mm
  • Thickness: 15mm
  • Bezel: Ceramic Scratch-Resistant
  • Crystal Diameter: 31mm
  • Crystal Type: Sapphire with Anti-Reflective Coating
  • Lug to Lug: 49mm
  • Weight: 170g
  • Crown: Screwdown Locking
  • Bracelet: 20mm Stainless Steel
  • Warranty: 24 Month Guarantee

Why Choose Sapphire Crystal?

Many customers inquire about the benefits of sapphire crystal compared to standard mineral crystal. The key advantage of synthetic sapphire is its strength. It is shatter and scratch-resistant, making it ideal for those in military, security, or outdoor professions. Over 70% of our customers come from these active fields.

When accidents occur, over 90% of cracked crystals are mineral glass. Despite our use of hardened mineral glass, it still doesn't match sapphire in terms of durability under harsh conditions. After sapphire is manufactured, it undergoes heat treatment to remove internal stresses, making it incredibly strong. The result is a material that is not only highly durable but also resistant to scratches.

Interestingly, sapphire crystal is now also used in high-end products like the latest iPhones. However, because of its cost, sapphire crystal is typically found in higher-end watches.



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: 92361198036

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4.8 ★★★★★
Based on 29 reviews
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Verified Purchase
Lea
Belleville, US
★★★★★ 5
Perfect for aggressive chewers
I have a 2 year old pittie and she chows thru bones in minutes, even those reviewed as "long lasting". This thing is still going strong after 9 months. She was not initially interested, had to spread peanut butter on one end, one time, and now it is her go-to chew toy. Looks a little mangled after all this time but she's not even 75% thru it. Highly recommend, no stomach issues.
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Reviewed in the United States on June 7, 2026
S
Verified Purchase
Sarah Brannan
Cuba, US
★★★★★ 5
Great, durable bone
My dog loves this bone! It’s super durable and has lasted a few months. Keeps my golden busy! Definitely will buy again.
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Reviewed in the United States on June 9, 2026
V
Verified Purchase
Veronica-Marie Landolfi
San Leandro, US
★★★★★ 5
Best long-lasting dog chew
If you want something to occupy your dog that's harmless, this is the one. He doesn't have to chase it, so it doesn't get lost under the cabinets, and he's been chewing it for hours and barely made a mark on it. When he's chewing on this, he's not whining or asking to sit on my lap, and he can stay nearby as he enjoys this toy.
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Reviewed in the United States on June 12, 2026
W
Verified Purchase
W&E
Dallas, US
★★★★★ 4
Not perfect for every dog, but still worth a shot
I bought the bacon-flavored Benebone with high hopes after reading the reviews. Our 45lb mutt loves to chew on bones (and thankfully that's ALL she loves to chew on!) but we've had trouble finding anything that she can't destroy in one sitting. We've heard that antlers are the longest lasting but can be damaging to the dog's teeth, so we wanted to try something with a little less potential for disaster. The Benebone wishbone fared okay. I do have to say that she loved the bone, as did our 14lb schnoodle. The first day she had it, they took turns gnawing on it for hours. Unfortunately, the large one's jaws are quite strong, and so by the end of day 1 there were some pretty significant teething marks on each of the ends, and it was starting to look pretty gnarly. I put it up for a little bit, but they've had other nylon bones that looked worse so I gave it back to them the next day. On day 2, the little one was chewing on it so vigorously (and I think the bone was gnarly enough) that her gums started bleeding. I noticed the blood on the bone so I took it away again. On day 3, I gave the bone back to the large one to chew on. It wasn't too long, though, until I was hearing some pretty loud snaps and I found that the large pup was actually starting to get larger pieces off of the ends of the wishbone. This had me worried, so I threw the wishbone away. Relative to other chew toys that the large one likes (she'll only chew on bones and edibles, for some reason - nothing with any sort of rubbery material), this did actually have a decent life span, but we're still looking for something better. I give the product 3 stars because the dogs clearly loved the bone, and I'm sure that it's perfect for some dogs. For example, if it was just our schnoodle chewing on it, it would have lasted much longer and I would probably be posting a 5-star review here. In the end, though, we did buy the wishbone for the larger dog, and it failed to hold up for her - for the price, I would have wanted something that lasts longer - hence the two star deduction. UPDATE 8/10/2014: Not long after I posted this review, Benebone contacted me in the comments to offer a refund and hinted at the potential for a larger bone sometime in the future. I sent in our order number and they processed the refund quickly. I've added back an extra star, because Benebone's stellar customer service has made the product worth the try. I would definitely do business with Benebone again, and I'm looking forward to trying (or rather, having my pup try) a larger version of the bone if/when it surfaces!
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Reviewed in the United States on August 7, 2014
M
Verified Purchase
Morgan prickett
Dallas, US
★★★★★ 5
I Import These to Mexico That's How Good They Are
I have purchased this bone at least 10 times and will keep buying it indefinitely. I have 8 rescue dogs, all extreme chewers , we're talking dogs that destroy absolutely everything. This is the only bone I've found that holds their interest and keeps them coming back for more. I've tried every type of bone on the market. This one wins! My dogs range from 5 lbs to 100 lbs and every single one of them is equally obsessed. I now order 5 at a time because I know they'll all be used. The price point is excellent for what you get, and after constant use across 8 dogs, I haven't noticed any negative effects on their health or teeth. I love these so much that I actually import them to Mexico, that should tell you everything. Every time someone visits and sees how occupied and happy my dogs are, they immediately ask where they can get them too. Benebone, you have a customer for life!!!!!!
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Reviewed in the United States on April 28, 2026

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