A NATO strap is the cheapest upgrade in watches. For the price of lunch, you can completely change how a watch looks and feels — swap a dressy leather for a rugged nylon and the same watch reads like a different piece. This is the whole "one good watch, three straps" idea in action: buy once, restyle forever.
The short version
A NATO is a one-piece nylon strap that threads under the watch, so the watch head sits on top of a continuous band. It's tough, water-friendly, quick to swap, and if a spring bar ever fails your watch still can't fall off — that's literally why the design exists. To buy the right one you need two numbers and one preference: lug width, wrist size, and material.
The forum argument
The r/Watches consensus on NATOs is refreshingly practical. On materials, most people land here:
"I've worn mine on all four materials and honestly can't say which one I prefer." — r/Watches
On what makes a good one, the seatbelt-weave and premium options get named repeatedly:
"Erika's MN straps are the most comfortable NATO I've worn." — r/Watches
And the single most-repeated piece of advice, which is really our strap-multiplier philosophy in a Reddit comment:
"Just buy 5–10 cheap straps and build a rotation." — r/Watches
That's the move. NATOs are cheap enough that you don't agonize — you buy a few, keep the ones you love, and rotate.
Step 1: Get the lug width right
Lug width is the gap between the lugs where the strap attaches, measured in millimeters — almost always an even number (18, 20, 22mm). Get this wrong and the strap won't fit. Most men's watches are 20mm or 22mm; smaller and vintage pieces are often 18mm. If you don't know yours, measure the gap with a ruler, or check the specs for your model.
| Watch style | Typical lug width |
|---|---|
| Smaller / vintage / dress | 18mm |
| Most modern everyday watches | 20mm |
| Larger sport / dive / field watches | 22mm |
Step 2: Match the length to your wrist
NATOs come in a standard length that fits most wrists (roughly 7–8 inches / 18–20cm). If your wrist is smaller, look for a "short" NATO or you'll have a lot of excess tail to fold back. Larger wrists should check for a longer version. When in doubt, standard length works for the majority of people — worst case you trim or tuck the tail.
Step 3: Pick your material
| Material | Feel | Best for |
|---|---|---|
| Nylon (classic NATO) | Rugged, casual, dries fast | Everyday, summer, tool watches |
| Seatbelt / ribbed nylon | Smoother, slightly dressier, silky | A step up in comfort and looks |
| Elastic (MN / marine nationale) | Stretchy, no keeper fuss, super comfy | All-day comfort, active wear |
| Leather NATO | Warmer, more premium, less water-friendly | Dressing a casual watch up a notch |
As the forum consensus said, there's no single "best" material — it's about the look and feel you want that day. That's the point of building a small rotation.
Step 4: Choose a color that works
The easy rule: a strap color that appears somewhere on the watch (dial, hands, or bezel) almost always looks intentional. Beyond that, a few safe defaults — black, grey, and navy — go with nearly everything, and the classic "Bond" stripe (black/grey) is a can't-miss starter. Once you've got the safe ones, that's when you grab a green or an orange to have fun.
How to put one on
Thread the long end down through the spring bar nearest 12 o'clock, across the back, up through the 6 o'clock bar, then back through the keepers. The watch should sit on the top layer of nylon. No tools, sixty seconds, and if you ever lose a spring bar the watch stays put — the safety feature that started it all.
Mistakes people make
The common ones: buying an odd lug width (measure first — 20 and 22 are not interchangeable); ignoring wrist length (a standard NATO on a small wrist means a floppy tail); going too thick (a bulky NATO can lift a watch off your wrist awkwardly); and overthinking color (start with black/grey/navy and expand from there).
FAQ
How do I know my lug width? Measure the gap between the lugs in millimeters, or look up your watch model's specs. It's almost always an even number.
Are NATO straps waterproof? Nylon ones handle water and dry quickly, which is part of the appeal. Leather NATOs don't love water — keep those dry.
Will a NATO fit any watch? Any watch with standard spring bars and a lug width a NATO is made in. Watches with fully integrated or hidden lugs may not accept one.
How many should I own? Start with two or three — a black/grey Bond, a navy, and one fun color. Build from there. They're cheap enough to experiment.
Start here
A rack of straps is the cheapest way to make one watch feel like five — which is exactly the point of "one good watch, three straps." Browse our straps collection to start your rotation, then find a watch worth swapping them onto in the One Good Watch lineup.
Good places to start
|
Crazy Horse Leather Strap 14–22mm, warm leather look — $29.99 |
 Carnival Classic Automatic A watch worth swapping straps on — $349 |
 AWC Pilot Multi-Dial Field look, loves a NATO — $44.99 |
Good watches without the bullshit. — One Good Watch