SKU: 7534318558

MWC 100ATM / 3,280ft / 1000m Water Resistant Diver's Watch Stainless Steel Case with Helium Valve and Matching Bracelet 100% Swiss Made with Sellita SW200 26-Jewel Automatic Movement

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Description

MWC 100ATM / 3,280ft / 1000m Water Resistant Diver's Watch Stainless Steel Case with Helium Valve and Matching Bracelet 100% Swiss Made with Sellita SW200 26-Jewel Automatic MovementSKU: 100AT SS BB 200 MWC "Depthmaster" 100ATM Military Diver Watch Introducing the MWC "Depthmaster" 100ATM Military Diver Watch, one of our latest and most robust models. This 100% Swiss made diver's watch is designed to endure extreme conditions, featuring a sapphire crystal and a 100ATM (1,000 meters 3,280 feet) water resistance rating. It is suitable for diving with mixed gases at extreme depths and includes a wider 24mm bracelet and a non scratch

SKU: 100AT/SS/BB/200

MWC "Depthmaster" 100ATM Military Diver Watch

Introducing the MWC "Depthmaster" 100ATM Military Diver Watch, one of our latest and most robust models. This 100% Swiss-made diver's watch is designed to endure extreme conditions, featuring a sapphire crystal and a 100ATM (1,000 meters / 3,280 feet) water resistance rating. It is suitable for diving with mixed gases at extreme depths and includes a wider 24mm bracelet and a non-scratch ceramic bezel, making it easier to grip in extreme cold. These watches are specifically crafted for professional divers facing very challenging conditions.

Helium Escape Valve

All MWC 100ATM models come equipped with a helium escape valve. This feature addresses the issue of helium molecules entering the watch. Helium molecules are extremely small, allowing them to penetrate the watch seals even when other gases and water cannot. This can occur in saturation diving, where divers spend extended periods at great depths under high pressure.

Helium buildup inside the watch can create internal pressure, potentially causing serious damage or even blowing out the crystal or crown when unscrewed. This is particularly dangerous during time checks or resets. The helium escape valve automatically releases these molecules during decompression, ensuring the watch returns to normal sea level pressure without letting any external elements in.

Importance of Helium in Deep Diving

Helium is crucial for deep-sea diving because it does not cause nitrogen narcosis, unlike nitrogen. Helium replaces nitrogen in most deep-sea mixed gas diving applications. Professional divers working at great depths for extended periods often live in dry environments pressurized with an oxygen/helium mix. Upon surfacing and decompressing, this gas must be safely removed to avoid potentially hazardous situations like the crystal or crown being blown out, which could cause injury.

Specifications

  • Movement: High-quality Sellita SW200, 28,800 bph, 26 Jewels, 38-hour power reserve with hacking function
  • Water Resistance: 100ATM / 3,280ft / 1,000m
  • Crown: Screwdown locking
  • Helium Escape Valve: Yes
  • Dimensions:
    • Width: 45mm
    • Thickness: 15.8mm
  • Bezel Type: Unidirectional Non-Reflective with Ceramic Insert
  • Crystal Type: Sapphire with Anti-Reflective Coating*
  • Case: 316L Stainless Steel
  • Illumination: Super Luminova on markers, hands, and bezel
  • Bracelet: 24mm  stainless steel

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 properties make it highly appealing to military and security personnel, police officers, and individuals with active outdoor lifestyles, accounting for over 70% of our customers. In comparison, over 90% of cracked crystal incidents involve watches with mineral glass crystals. Even hardened mineral crystals cannot match the durability of sapphire under adverse conditions.

Sapphire crystals are heat-treated to remove internal stresses, enhancing their strength. They are made with two layers of anti-reflective coating. Interestingly, sapphire crystal is now also used in the latest iPhone models. While sapphire crystal is more expensive, it is typically found in higher-end watches due to its superior qualities.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery 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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 7534318558

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KM1990
New York, US
★★★★★ 5
This product has been exactly what I needed
This product has been exactly what I needed for daily use. The UV protection is great and the moisturizing formula keeps my skin feeling soft. I really like the invisible finish, it blends in well and doesn't leave a greasy look. Plus, it's travel-friendly, so I take it everywhere. Absolutely love this for my skin and love the smooth application.
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Reviewed in the United States on August 9, 2025
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Yusuke Ohashi
Dallas, US
★★★★★ 5
Great for daily wear and all skin tones
I've been using the Coppertone Invisible Finish Sunscreen Stick daily. It blends in clear and works well with my skin tone. Moisturizing ceramides make my skin feel good. Easy to carry around and no white cast, which is awesome. Just wish it had a bit more SPF for extra protection. Overall, I like it for everyday use.
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Reviewed in the United States on August 10, 2025
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Hunter bottoms
Alexandria, US
★★★★★ 5
No harsh chemicals
I recently tried the Coppertone Pure and Simple Zinc Oxide Mineral Sunscreen Stick SPF 50, and I'm thoroughly impressed. As someone with sensitive skin, finding the right sunscreen can be a challenge, but this product has become a must-have in my skincare routine. Here's what I love about it: 1. **Gentle on Skin:** This sunscreen is a game-changer for those with sensitive skin. The zinc oxide formula provides a physical barrier against harmful UV rays without irritating or causing breakouts. 2. **Broad Spectrum Protection:** With SPF 50 and broad-spectrum coverage, it offers robust protection against both UVA and UVB rays, helping to prevent sunburn and long-term skin damage. 3. **Water-Resistant:** Its water-resistant formula means it holds up well during outdoor activities or even a day at the beach, so you can confidently enjoy the sun without worrying about constant reapplication. 4. **Easy Application:** The stick format makes it incredibly convenient to apply, especially on the face. No messy, greasy hands or white residue left behind. 5. **Compact and Portable:** The compact size of the stick is perfect for on-the-go use. It fits easily in my purse or pocket, so I can reapply whenever necessary. 6. **No Harsh Chemicals:** It's reassuring to know that this sunscreen is free from harsh chemicals and fragrances, making it ideal for sensitive skin and minimizing the risk of irritation. While I have mostly positive feedback, there are a few things to consider: 1. **Small Size:** The stick is quite small at 0.49 oz, so if you use it frequently, you may need to restock more often. 2. **Price:** It's a bit pricier compared to some other sunscreens, but the quality and skin-friendliness justify the cost. In conclusion, the Coppertone Pure and Simple Zinc Oxide Mineral Sunscreen Stick SPF 50 is a top-notch product for those with sensitive skin who require effective sun protection. Its gentle, water-resistant, and convenient design make it a sunscreen stick I'll continue to rely on for daily use and outdoor adventures. Highly recommended!
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Reviewed in the United States on September 4, 2023
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Rylee
Phoenix, US
★★★★★ 5
Multi function for my skin and it’s issues
I’m always looking for a clean sun block and I know zinc it the best ingredient so I’m always looking for zinc sticks. I liked this one because it has a much shorter ingredient list than most and they are fairly decent ingredients that are in it. While this is good for the face and body spot treatments I’ve found it’s been useful for some of my skin issues. One, I’ve found it’s very moisturizing, it’s been helpful in some of my eczema flare ups on my hands, where other products helped on other areas of my body this for some reason was the only thing to make a difference on my hands for these dry red spots on the top of my hands as well as the blisters I get on my palm them then become broken raw skin. I just re ordered a stick due to running out using it this way. It also helps to act as a barrier against water when I shower for some of the spots that getting wet irritates further. I originally wanted my next stick to be the even cleaner brand Badger but due to how it’s been helping my skin outside of the sunblock use, I didn’t want to risk changing to a different recipe and have it not work the same so I’ve stuck to this one. It’s convenient as a stick too so I’m able to apply it quickly without have to get it all over my hands as well.
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Reviewed in the United States on August 26, 2024
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SassySicilian
Cuba, US
★★★★★ 5
My favorite take everywhere sunscreen not just for babies or kids
This is my new go to sunscreen and I am a grown woman in my 60s. I love that it truly is pure and simple! It does go on a little white but it can be rubbed in and I kinda like that it makes my face slightly lighter and brighter while at the same time keeping it properly covered and protected without any of the added harmful stuff that other sunscreens include in their ingredients. I also really enjoy that this is a small compact easy to apply stick that I can put in my pocket or in the zipper of my purse.
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Reviewed in the United States on January 7, 2026

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