How to Make Your Own Leather Watch Strap
Quick answer: Measure your watch's lug width (usually 16-22mm), cut two strap pieces to that width plus your chosen length and taper, mark and punch the buckle holes and keeper loop slot, saddle stitch the keeper loop closed, then bevel and burnish all edges. This is the exact project that started this workshop.
What You Need
- A PDF or SVG pattern sized for your specific lug width
- Leather, roughly 25-30cm total length needed for both strap pieces combined
- A cutting mat, sharp knife, and metal ruler
- A pricking iron, waxed thread, and two harness needles
- A hole punch for the buckle holes specifically
- A buckle sized to match your lug width
- Edge beveler and burnishing tool
Step-by-Step
Step 1: Measure your watch's lug width precisely
This is the single most important measurement in the entire project. We cover exactly how in our lug width guide. Get this wrong and the finished strap simply won't fit, no matter how well everything else is executed.
Step 2: Choose your length and taper
Decide whether you want a straight strap or one that tapers toward the buckle, and confirm your wrist size against standard length references, adjusting the pattern if you have a notably larger or smaller wrist.
Step 3: Cut both strap pieces
Cut the buckle-side piece and the longer, holed piece according to your pattern. Take extra care with tapered cuts, since an uneven taper is visually obvious on a finished strap in a way it wouldn't be on a wallet panel.
Step 4: Punch the buckle holes
Space holes evenly along the appropriate section of the longer piece, sized to fit your specific buckle's pin.
Step 5: Cut and prepare the keeper loop
This small loop holds the excess strap length in place once worn. Cut a short strip, usually 2-3cm wide depending on strap width, to wrap and stitch into a loop.
Step 6: Saddle stitch the keeper loop closed
Using the same saddle stitch technique as any other seam, close the keeper loop around the strap so it can slide freely but stays attached.
Step 7: Attach the buckle
Fold the buckle-side piece around the buckle bar and stitch it closed, checking that the buckle sits straight and functions smoothly before finishing the edges.
Step 8: Bevel and burnish all edges
Round and polish every cut edge on both pieces for a comfortable, finished look against the wrist.
Common Mistakes
- Skipping precise lug width measurement and estimating instead. A strap even 1-2mm off from your actual lug width either won't fit or will fit with visible, unattractive gaps.
- Cutting an uneven taper by eye instead of following a marked pattern line. This is one of the most visually obvious mistakes on a finished strap.
- Choosing a buckle that doesn't match the strap's width correctly. The buckle needs to fit the strap's width at the point it attaches, not just look proportionate.
- Rushing the keeper loop, which is small but highly visible on the finished strap. Take the same care here as on the main strap pieces.
FAQ
What's the easiest first watch strap project to attempt?
A simple straight (non-tapered) strap in a single lug width you've measured carefully is the most forgiving starting point, since it avoids the added difficulty of an even taper.
How much leather do I actually need for one watch strap?
Considerably less than a wallet, typically a strip no wider than your lug width and roughly 25-30cm long total for both pieces, making it one of the most material-efficient first projects.
Can I reuse an old buckle from a worn-out strap?
Yes, as long as it's the correct width for your new strap and still functions smoothly. This is a common and practical way to reduce cost on a first project.
Part of our guide to learning leathercraft. Get our Watch Strap Templates pattern, or see how we saddle stitch, step by step.