Meet the AlphaShark Our Heavy Duty Double-Pass Military Style Watch Strap

A tough watch deserves a strap that can keep up. That’s where the AlphaShark comes in. Crafted from heavy-duty seatbelt weaved nylon, this strap is built to handle whatever adventure comes your way. Its 1.4mm thickness offers unmatched durability without sacrificing comfort. Whether you're trekking through the outdoors, diving into the unknown, or simply your daily wearer, the AlphaShark is designed to stay secure and stylish every step of the way.

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The photos above show the strap worn on an 8.5" wrist, with just the right amount of strap remaining to stay secure under each keeper. For wrists 8" and smaller, there will be the ideal amount of strap left to tuck and fold under the keepers. To learn more about installing a double-pass military-style watch strap and how to tuck the strap into the keepers, check out our blog, Step-by-Step Guide: How to Attach a Pass-Through Watch Strap and What to Do with the Leftover Length.

Why Choose the AlphaShark?

If you’re looking for a watch strap that checks all the boxes, versatile, comfortable, and secure, the AlphaShark is the one. Here’s why:

• Sizes Available: 18mm, 20mm, 22mm, and 24mm - Keep in mind that not every color option comes in every size. 
• Length: 290mm (11.4 inches) – fits wrist sizes from 6.5 inches to 8.5 inches
• Material: 1.4mm thick heavy duty seatbelt-weaved nylon.
• Adjustment Holes: Heat sealed for maximum durability.  
• Style: Double-pass military-style design.
• Hardware Options:
  • Brushed Stainless Steel – Classic and rugged
  • Polished Stainless Steel – Sleek and dressy
  • PVD Black – Bold and stealthy
• Sliding Squared-Off Keeper: Keeps your strap secure and comfortable all day long.
• Soft, Comfortable Feel: Gentle on the wrist while maintaining a refined look.
• Superior Strength: With it's seatbelt weaved heavy duty nylon this strap is a powerhouse of strength!
• Breathability & Quick Drying: Ideal for all-day wear, even in warm weather or active conditions.
• Vibrant, Lasting Colors: The high-quality materials keeps the strap looking fresh and bold for years to come. For cleaning tips read our post on how to clean your nylon watch straps. 

Whether you're pairing it with a dress watch or a rugged diver, the AlphaShark’s fabric delivers unmatched comfort and reliability.

Heavy Duty Seatbelt Weave Nylon

Available in 43 Stunning Colors

The AlphaShark is available in a range of colors to match your personal style. Whether you prefer a classic black, army green, or something bold like navy blue or cardinal, or something full of color like marlin, blu lagoon, there’s an option for every taste and occasion.

When & Where to Wear It

The AlphaShark isn’t just a strap—it’s an upgrade built for whatever your day brings. Whether you're heading out for a casual meetup, traveling, or taking on the outdoors, this strap is ready.

• Everyday Wear: Stylish and comfortable enough for all-day use.

• Active & Adventure: Durable, secure, and tough enough for any challenge.

• Travel & Exploration: A reliable companion wherever your journey takes you.

Perfect Fit & Ultimate Comfort

With a length of 290mm (11.4 inches), the AlphaShark fits wrist sizes from 6.5 inches to 9 inches. The double-pass design offers extra security, ensuring your watch stays in place without sliding around. Plus, the premium nylon is lightweight and breathable, making it ideal for all-day wear.

Premium Hardware for a Sleek Look

We put just as much thought into the hardware as we did the strap itself. Each AlphaShark features premium metal components designed for durability and style. With a selection of finishes available, you can choose the look that best complements your watch. Learn more about BluShark Buckles Here. 

• Brushed Stainless Steel: A rugged, understated look
• Polished Stainless Steel: A touch of refined elegance
• PVD Black: A bold, modern aesthetic

A Premium Strap for Any Watch

The AlphaShark was crafted for watches that deserve the best—whether it’s a high-end timepiece like an Omega, Seiko, or Tudor, or a dependable dive, field, or military-style watch. With its refined design and durable construction, this strap enhances any watch, elevating both its style and presence on your wrist.

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⭐️⭐️⭐️⭐️⭐️ "This strap line is awesome. Hands down, better than comparably priced straps. The material feels like most say: like a seatbelt, albeit just a bit softer. I wholeheartedly recommend these. The quality, price, looks, and comfort are all there." – Grant C.