How to Pick Watch Straps That Transform a Watch

The cheapest way to own five watches is to own one watch and five straps. I'm only half joking. A strap swap costs $15-40 and changes the entire character of a watch more dramatically than almost any other upgrade you can buy — and most people never bother, leaving their watch on the same bracelet it shipped with for its entire life.

I've got a drawer of straps that cost me, collectively, less than one mid-tier watch, and they make my three watches feel like a dozen. The trick isn't buying expensive straps. It's understanding what each material and style actually does to a watch, so you can buy two or three that genuinely transform it instead of ten that all look vaguely the same. Let's break down the families.

First: get the lug width right, and get spring bar tools

None of this matters if you buy the wrong size. The number you need is the lug width — the gap between the lugs where the strap attaches, measured in millimeters. It's almost always an even number: 18, 20, 22mm are the common ones. A 20mm watch needs a 20mm strap. Look it up for your specific model or measure the gap with calipers before you buy anything.

Then spend $8 on a proper spring bar tool. The single most common way people scratch a watch they love is by levering off the old strap with a kitchen knife. A real spring bar tool watch kit has the forked end that seats into the spring bar shoulders and pops it free in seconds with zero risk. This is non-negotiable. Buy it first.

Leather: dresses a watch up

A leather watch strap is the fastest way to make a casual or sporty watch look refined. Put a brown leather strap on a steel sports watch and it instantly reads as something you'd wear with a jacket. The thing to understand about leather is that the finish changes everything: a smooth, glossy strap is formal; a matte or oiled-leather strap is casual-rugged; a textured suede watch strap is soft and vintage-feeling.

What to skip: cheap "genuine leather" straps that are actually bonded leather scraps glued together — they crack within months and smell. And skip leather entirely if you sweat heavily or get the watch wet, because moisture destroys it and it'll start to stink. Leather is for people who keep their watch dry and want it to look more expensive than it is.

NATO and nylon: makes a watch tougher and more fun

A NATO watch strap is the opposite move from leather — it makes a watch more rugged, casual, and frankly more fun. It's a single piece of nylon that passes under the watch, which means if one spring bar fails, your watch still can't fall off your wrist. They're cheap (often under $15), washable, waterproof, and come in every color and pattern imaginable. This is the strap family that turns one watch into a wardrobe.

The downside, and it's a real one: NATO straps add a layer of material under the caseback, lifting the watch up off your wrist by a couple of millimeters. On a thin watch, no problem. On an already-thick diver, it can start to feel like you're wearing a hockey puck on a sock. If you want the slip-through security without the extra height, look at a single-pass nylon watch strap that doesn't double back under the case.

Rubber and silicone: the daily beater

A rubber watch strap is the one you put on when you stop caring about babying the watch. Waterproof, sweatproof, comfortable in heat, and it makes a dive watch look properly sporty. Good silicone or FKM rubber is supple and doesn't attract lint; cheap rubber is stiff, sticky, and pulls dust like a magnet. This is one place where spending $25 instead of $8 actually gets you a meaningfully better product.

What to skip: the hard, plasticky resin straps that come bundled free with a lot of watches. They're stiff, they crack, and they cheapen the whole watch. If your watch came on bad rubber, a $20 upgrade transforms it.

The bracelet question, and what to actually buy first

A steel watch bracelet metal is the most versatile and the most expensive option, and the quality varies wildly. A good bracelet has solid (not hollow, folded) end links and links, and a clasp that doesn't rattle. A bad one is a tinny, light, jangly mess. If your watch's stock bracelet feels cheap, a quality aftermarket one is a real upgrade — but it's also the priciest swap, often $40-100+.

So here's my honest advice on what to buy first. Don't blow your budget on one expensive strap. Buy three cheap, different ones: a brown leather to dress it up, a colored NATO to make it fun, and a good rubber to beat it up. That's maybe $50 total, and it'll genuinely make your one watch feel like three. Skip the temptation to buy ten straps in slightly different shades of the same thing — you'll wear two of them. Buy across the families, not within one, and a single watch will carry you a long, long way.