The watch strap pin is used to assemble the links of a metal or leather strap. Depending on the watch, you use a straight, split or knurled pin.
\n\nStraight pin
\nSolid cylindrical rod. Held by friction. See our straight pin.
\nSplit pin
\nSlit along its length, the inner spring gives a strong hold. Reference: split pin 0.8–1 mm.
\nKnurled pin
\nKnurled surface for maximum grip in flexible straps. Available in single and double versions.
\nComparison
\n| Type | Hold | Use | Fitting |
|---|---|---|---|
| Straight | Medium | Simple straps | Easy |
| Split | Excellent | Metal straps | Medium |
| Knurled | Excellent | Flexible straps | Permanent |
How to choose
\n- Metal link strap: split.
- Plastic or flexible strap: knurled.
- Simple buckle: straight.
The split pin covers 70 % of consumer metal straps.
\n« The right pin is the one that does not slip out by accident. »\n
FAQ
\nHow do I measure the diameter?
With a caliper. Standard sizes: 0.8 mm, 1.0 mm, 1.2 mm.
\nLost pin, how do I find the right one?
Measure the length and the diameter of the hole, or order a multi-diameter assortment.
\nWhich tool for fitting?
A pin punch and a watchmaker's hammer.
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