
Guides
Guides & Comparisons
The how-to and the why. Strap sizing, brand comparisons, and the buying advice that feeds every pick on the site.
Roundups tell you what to buy. These guides tell you how to choose, how to measure, how to change a strap without scratching the lugs, and how the brands and categories actually compare. They are the reference layer under the money pages — and the lug width chart in particular is the tool the rest of the site is built around.
We earn a commission when you buy through our Amazon links, at no extra cost to you. It never affects our picks, and we say so when the cheaper watch is the better buy. How this works.
This hub is the reference desk. When a roundup says a watch is 22mm and points you at a strap, the guide that tells you how to confirm that number and swap the strap yourself lives here. When you are trying to decide between a dive watch and a field watch, or whether Seiko or the brand next to it is the better first automatic, the comparison lives here too.
Start with the lug width chart if you own a watch and want to buy a strap for it — it lists the width for dozens of popular models so you do not have to guess. Pair it with how to measure a watch strap and how to change a watch strap, and you never need to visit a watchmaker for a strap swap again. Those three guides together are a complete strap-sizing course, and they feed every strap page on the site.
The buying guides do the top-of-funnel work: the best affordable watch brands is the map of who makes what and where the value is, and the best automatic watches under $500 is the shortlist if you have decided you want a mechanical watch and a budget. Both link straight through to the category roundups where the individual models are ranked in full.
Everything here follows the same method we use everywhere: published specifications, the arithmetic shown rather than asserted, sources cited, and no claim of hands-on testing we cannot back. When we could not verify a spec, we write "data unavailable" instead of guessing. Read how we review for the full version.
Start here
Everything in this hub
All guides & comparisons
- Guide
Guide
Watch Lug Width Chart
The reference the whole site is built around: lug widths for dozens of popular models, plus how to measure your own in one minute.
- Guide
Guide
How to Measure a Watch Strap
The one-minute method for finding your watch's lug width and the right strap length, with nothing but a ruler.
- Guide
Guide
How to Change a Watch Strap
Change any strap yourself in minutes — the quick-release method and the spring-bar-tool method, without marking the case.

Roundup
The Best Affordable Watch Brands
The brand map: one flagship from Seiko, Citizen, Orient, Casio, Hamilton, Timex and more, so you can see where the value really is.
$280.00AmazonTop pick
Seiko 5 Sports SRPD93

Roundup
The Best Automatic Watches Under $500
Self-winding mechanical watches under $500, from a $99 diver to a domed-crystal dress piece — the best of the attainable automatic world.
$280.00AmazonTop pick
Seiko 5 Sports SRPD93

Comparison
Dive Watch vs Field Watch
The two most common first watches, compared on size, water resistance, versatility and price — with a clear pick for each kind of buyer.
$280.00AmazonTop pick
Seiko 5 Sports SRPD93

Guide
What Is a Dive Watch?
The definition, in plain English: what ISO 6425 actually requires, what a screw-down crown does, and why the bezel only turns one way.
$488.00AmazonTop pick
Seiko Prospex Turtle (SRPE)

Guide
How to Read a Dive Watch Bezel
Time anything with the bezel you already own: elapsed time, a countdown, and what those first fifteen marked minutes are actually for.
$488.00AmazonTop pick
Seiko Prospex Turtle (SRPE)

Comparison
Seiko SKX vs SRPD
Seiko replaced the SKX with the Seiko 5 SRPD. The movement got better and the water resistance got worse — here is whether that trade is worth it.
$280.00AmazonTop pick
Seiko 5 Sports SRPD93

Comparison
Seiko vs Citizen
Mechanical heritage against solar engineering. Which of the two great Japanese brands fits how you actually want to use a watch.
$280.00AmazonTop pick
Seiko 5 Sports SRPD93

Comparison
Solar vs Automatic Watch
Accuracy, maintenance, lifespan and cost, compared honestly — plus a benchmark solar watch and a benchmark automatic to buy from.
$243.75AmazonTop pick
Citizen Eco-Drive Garrison

Guide
Is Seiko a Good Watch Brand?
The case for Seiko, made properly: vertical integration, dive heritage and lume — plus the four criticisms that are genuinely earned.
$280.00AmazonTop pick
Seiko 5 Sports SRPD93
- Roundup
Roundup
The Best Entry-Level Luxury Watches Under $1,000
Swiss Hamilton and Tissot against Japan's best — the watches that genuinely feel like a step up, ranked on specification rather than badge.
Check price →Top pick
Hamilton Khaki Field Automatic (38mm)

Guide
Watch Strap Types Explained
The reference: NATO vs Zulu vs two-piece, leather grades, rubber vs FKM, canvas, perlon and mesh — with a pick for each type.
$32.99AmazonTop pick
Barton Quick-Release Leather

Roundup
The Best Citizen Watches
Citizen's best, from a 200m Promaster diver to the atomic-set Skyhawk — every one solar-powered, every one ranked on published specs.
$325.00AmazonTop pick
Citizen Promaster Nighthawk

Roundup
The Best Orient Watches
Orient's in-house automatics ranked — the sapphire Kamasu diver, the Mako and Ray, and the Bambino dress watches that define affordable mechanical style.
$329.84AmazonTop pick
Orient Kamasu

Roundup
The Best Timex Watches
Six Timexes worth owning, from the $45 Expedition Scout to the solar sapphire Expedition North and the hand-wound Marlin.
$209.00AmazonTop pick
Timex Expedition North Field Post Solar (41mm)

Roundup
The Best Casio Watches
From the $20 F-91W to the 200m Duro and the slim GA-2100 G-Shock — Casio's best, ranked on what each one is actually for.
$66.26AmazonTop pick
Casio Duro MDV106

Comparison
Seiko vs Orient
Two Japanese brands under one corporate roof, compared on movement, specification, lume, aftermarket and resale — with the strongest watch from each.
$280.00AmazonTop pick
Seiko 5 Sports SRPD93

Comparison
Is Hamilton a Good Watch Brand?
The short answer is yes, with one specific caveat. The long answer covers the movements, the ownership, the value and the water-resistance problem.
$675.00AmazonTop pick
Hamilton Khaki Field Mechanical (38mm)

Roundup
The Best Watches Under $200
Divers, field watches, chronographs and G-Shocks under $200 — including a real 200m dive watch for around sixty dollars.
$66.26AmazonTop pick
Casio Duro MDV106

Comparison
Seiko SKX vs Seiko 5
What the discontinued SKX007 actually had that the Seiko 5 SRPD does not, what the SRPD gained in return, and which to buy now.
$280.00AmazonTop pick
Seiko 5 Sports SRPD93

Comparison
Seiko SKX vs Turtle
The discontinued SKX against the in-production Prospex Turtle — certification, movement, size and what you are actually paying for.
$488.00AmazonTop pick
Seiko Prospex Turtle (SRPE)

Roundup
The Best Everyday Watches
Six watches you could wear every day for a decade, from a sixty-dollar diver to a Swiss automatic — ranked on versatility rather than specification.
Check price →Top pick
Seiko 5 Sports (SRPE steel)

Comparison
Dive Watch vs GMT
What a dive bezel does that a GMT bezel does not, which is more useful day to day, and the four watches that make the decision concrete.
$329.84AmazonTop pick
Orient Kamasu

Comparison
Dive Watch vs Dress Watch
Thickness, water resistance, legibility and straps — what genuinely separates the two categories, with two strong picks from each.
$329.84AmazonTop pick
Orient Kamasu

Roundup
The Best Watches Under $300
Eight watches under $300 spanning every category — an in-house automatic diver, a solar field watch with sapphire, a quartz GMT and a dress automatic.
Check price →Top pick
Orient Mako III

Roundup
The Best Watches for Beginners
A first-watch ladder from a fifty-dollar Timex to an entry-level Swiss mechanical, with the mistakes that cost beginners the most money.
$280.00AmazonTop pick
Seiko 5 Sports SRPD93
- Roundup
Roundup
The Best Automatic Watches Under $1,000
Seven automatics under $1,000, from a $300 sapphire-crystal diver to a Swiss field watch with an 80-hour reserve.
Check price →Top pick
Hamilton Khaki Field Automatic (38mm)

Guide
Quartz vs Automatic Watches
Accuracy, maintenance, lifespan and cost compared with published figures — and three watches that make the trade-off concrete.
$280.00AmazonTop pick
Seiko 5 Sports SRPD93
- Guide
Guide
Luxury Watch vs Smartwatch
Lifespan, charging, repairability and resale compared honestly — and three traditional watches for anyone who lands on that side.
Check price →Top pick
Hamilton Khaki Field Automatic (38mm)

Guide
What Is a Skin Diver Watch?
The 1950s dive watch style explained — no crown guards, a thin case, a small diameter — and the closest things you can buy today.
$279.00AmazonTop pick
Timex Navi XL
- Guide
Guide
Are Silicone Watch Bands Safe?
An honest look at silicone strap safety: what the material is, what causes irritation, and why the listing wording matters more than the price.

Roundup
The Best Value Watches
Seven watches that beat their price bracket outright — a sapphire-crystal 200m automatic at $300, and a 200m diver at sixty dollars.
$329.84AmazonTop pick
Orient Kamasu