CLAW Buckle – Black
The CLAW Buckle – Black is the first evolution of the CLAW Strap System, designed to combine the convenience of a classic bracelet clasp with the extreme durability and infinite adjustability of a nylon strap. Designed in the UK, this precision-engineered buckle features a low-profile design that sits very close to the wrist, contoured for comfort and purpose-built for CLAW straps.
This buckle is the result of our experience designing bracelets and infinitely adjustable straps, creating a reliable, secure, and versatile accessory for enthusiasts who demand the best of both worlds.
Disclaimer: Sigma Strap is an independent brand and is not affiliated with, sponsored by, or endorsed by any other watch brands. All trademarks are the property of their respective owners.
Features:
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Spring-Loaded Push-Button Mechanism: Smooth, secure operation with a single press.
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Drilled Spring Bar Holes: Maximum strap security.
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Ultra Low-Profile: Just 5 mm from wrist contact point, contoured for perfect comfort.
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Infinitely Adjustable: Fits any wrist precisely down to 1mm, no holes to fray straps.
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Material & Finish: 316L stainless steel, Sandblasted PVD coated finish (other finishes available here).
Specifications:
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Width: 20 mm (18 mm and 22 mm planned for mid 2026)
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Material: 316L stainless steel
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Compatibility: Exclusively designed for CLAW straps.
Notes:
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Not compatible with non-CLAW straps.
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International customers are responsible for any import duties or taxes.
CLAW Buckle – Black
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Customer Images
I’m very impressed with the Sigma CLAW Strap system. The clasp is extremely well made, thin and exudes quality. Admittedly these are supremely comfortable straps, especially the elastic ones. I’ve been using them on a few of my DOXA Sub’s, which aren’t exactly lightweight and these straps control the watch perfectly.
I have posted a video short of the claw strap on my YouTube channel @ MainelyWatches, and will be posting a full review soon.
https://youtube.com/shorts/9h1bi4tpd7M?si=aYA-jyAtZQ6H4Wa1
So pleased, that I just ordered another bundle. Can’t wait for some other widths to become available, and hopefully an expanded color selection of straps. Keep up the good work.