Watches · 3 min read
Updated 2026-09-18
Automatic, hand-wound or quartz: what you are actually paying for
A plain explanation of watch movements, service intervals and the specifications that matter more than the badge on the dial.
Watch marketing spends its budget on heritage stories. The specifications that determine whether you enjoy wearing the thing are less romantic and much more useful.
The three movement types
Quartz uses a battery and a vibrating crystal. Accuracy of a few seconds per month, service roughly every five years when the battery and seals are replaced, and the lowest long-term cost. A good quartz watch is not a lesser object; it is simply a different set of trade-offs.
Hand-wound mechanical has a mainspring you wind yourself. It is thinner than an automatic, lasts decades with servicing, and creates a daily ritual. If you forget to wind it, it stops. That is the entire downside.
Automatic mechanical winds itself from the movement of your wrist. Convenient, endlessly interesting to watch through a case back, and 1 to 2 mm thicker than the equivalent hand-wound movement. Power reserves typically run 38 to 70 hours.
Mechanical watches run between roughly −10 and +15 seconds a day when new. If you expect quartz accuracy from a mechanical watch, you will be disappointed, and no amount of money fixes that.
Movement quality: what to ask
Ask for the movement reference, not the marketing name. A manufacturer name tells you almost nothing; the reference tells you the architecture.
- Jewels: 17 to 25 is normal for a good automatic. This is bearing count, not decoration.
- Power reserve: 40 hours or more is convenient for a piece you rotate.
- Hacking: whether the seconds hand stops when you pull the crown. Essential for setting accurately, and a real sign of a modern movement.
- Hand-winding of an automatic: many entry movements cannot be hand-wound. Check before you buy if that matters to you.
- Service interval: five to seven years for most mechanical movements, at a cost of roughly 10 to 15 percent of the watch price.
The specification sheet that actually matters
Crystal. Sapphire resists scratches almost entirely. Mineral glass scratches within months and cannot be polished out. Acrylic scratches easily but polishes easily. For daily wear, sapphire is the correct answer.
Water resistance. Measured in metres, tested at static pressure. 30 m means splash-proof only. 50 m covers hand washing. 100 m is the sensible minimum for a watch you never take off. 200 m is genuinely useful if you swim. Any rated watch needs a screw-down crown to be trustworthy, and the rating lapses as the gaskets age; have them replaced every few years.
Case size and lug width. A 38 to 40 mm case fits most wrists. Lug-to-lug length matters more than diameter: if it exceeds your wrist width, the watch will overhang and look wrong. Lug width matters because it decides which straps you can fit later.
Case material. 316L stainless steel is the default and is entirely adequate. Titanium is lighter and more expensive. Gold plating wears through; solid gold is a different product at a different price.
Anti-reflective coating. Inner coating reduces glare without scratching. Outer coating scratches and is the usual reason a watch looks tired after two years. Ask which.
Where the money goes
At the entry level you are buying a reliable quartz or a basic automatic, a mineral or low grade sapphire crystal, and a case with adequate finishing.
In the middle you get a Swiss or Japanese automatic with a decent power reserve, a proper sapphire crystal with inner anti-reflective coating, 100 m water resistance, and finishing with real chamfers.
Above that you are paying for complications, in-house movements, finishing a jeweller needs a loupe to see, and scarcity. Those are legitimate reasons to spend money, as long as you know that is what you are buying.
What to check when it arrives
Set it against a reference clock and check the drift after 48 hours. Rotate the bezel or use the chronograph if it has one; both should feel firm without grit. Look at the dial under raking light for dust, and check that all indices are aligned with the minute track.
Then put it on and forget about it, which is the highest compliment a watch can receive.



