Blog
Blog
Evergreen explainers and answers to the questions serious buyers ask — certification, marketplaces, value and more.
What Is COSC Chronometer Certification?
COSC certification, explained plainly: what it tests, the −4/+6 s/day tolerance, and how Rolex and Omega go further.
Read more →Is Chrono24 Legit? A Buyer's Safety Guide
Chrono24 is a legitimate watch marketplace — but trust varies by seller. How its protections work and how to buy safely.
Read more →Are Watches a Better Investment Than Gold?
Luxury watches vs gold bullion as a store of value — liquidity, spreads, volatility and why most watches depreciate.
Read more →Automatic vs Quartz vs Manual Watches: What’s the Difference?
Automatic, quartz, and manual movements compared: how each works, plus accuracy, maintenance, winding, lifespan, and which suits which buyer.
Read more →Watch Movements Explained
A plain-English guide to watch movements: mechanical vs quartz, the key parts, frequency and power reserve, in-house vs supplied calibers, and why it matters.
Read more →Watch Water Resistance, Explained
What 30m, 50m, 100m and 300m really allow, the difference between ISO 22810 and a certified diver's watch under ISO 6425, and why the depth figure is a lab test rather than a limit.
Read more →Watch Complications, Explained
Chronograph, GMT, annual and perpetual calendar, moon phase, power reserve, world time, repeater and tourbillon — what each does, what it costs to own, and which are worth it.
Read more →Do Rolex Watches Hold Their Value?
The model-by-model answer: which Rolex references trade above retail, which quietly lose money, why the brand holds value at all, and what a premium over list actually means for a buyer.
Read more →Is Jomashop Legit?
Jomashop assessed honestly — what gray market really means, the warranty trade-off that decides the purchase, what the trading record shows, where complaints cluster, and when to use it.
Read more →Watch Case Materials Explained
316L vs 904L steel, why titanium grade matters more than the word titanium, the hardness-versus-toughness trap in ceramic, 18k gold alloys and bronze patina — with a material-by-use table.
Read more →Sapphire vs Mineral vs Hardlex: Which Watch Crystal Matters
What sapphire, mineral, Hardlex and acrylic crystals actually are, why hardness and toughness are different properties, how anti-reflective coating changes the picture, and when paying for sapphire is worth it — with three picks that illustrate each case.
Read more →How Accurate Is an Automatic Watch?
What to expect from an automatic watch in seconds per day, what the COSC and Rolex standards actually certify, the four things that throw a movement off rate, how to measure your own watch over a week, and three picks across the accuracy range.
Read more →Why Are Luxury Watches So Expensive?
An honest breakdown of what a luxury watch's price pays for — manufacture movements, chronometer certification, hand-finishing, materials, retail margin, marketing and scarcity — with the price points where the engineering stops improving and three picks that show the inflection.
Read more →What Is a Field Watch?
The field watch explained from its origin in the British W.W.W. specification — the five features that define the category, the three that are usually faked, and the two watches most buyers should actually choose between.
Read more →How to Choose a Watch Strap Material
A decision framework for watch strap materials — leather, rubber and silicone, nylon and steel — scored on water, sweat, formality, weight and cost, with one verified pick per material and the three sizing numbers to check first.
Read more →How to Change a Watch Strap
A step-by-step guide to changing a watch strap — the spring bar method, quick-release bars, drilled lugs and sizing a steel bracelet — plus how to avoid the scratch that everyone makes on the first attempt, and the two tools worth owning.
Read more →Do You Need a Watch Winder?
An honest answer to whether you need a watch winder — the three cases where one earns its place, the maintenance claims that have no published evidence behind them, what TPD and bidirectional mean, and the cheaper thing most owners should buy instead.
Read more →How to Travel With a Watch
A practical guide to traveling with watches — which one to take, why it never goes in checked baggage, the case to carry it in, hotel safes, insurance and customs, and the strap that makes a trip easier.
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