Guides
Automatic or quartz: which movement actually suits your week?
The honest trade-offs between a self-winding mechanical movement and a quartz one — accuracy, upkeep, cost and the part nobody mentions.
Qalb Collections · 31 August 2026 · 6 min read
Most buying guides treat this as a status question. It is really a logistics question: how many days a week will the watch be on your wrist?
What each one actually is
A quartz movement uses a battery to vibrate a quartz crystal at a fixed frequency. That frequency is stable, which is why quartz keeps time to within a few seconds a month.
An automatic movement has no battery. A weighted rotor spins as you move, winding a spring that drives the watch. It is a mechanical solution to a mechanical problem, and it has been refined for roughly a century.
Accuracy
Quartz wins, and not narrowly.
- Quartz: around ±15 seconds per month
- Good automatic: around ±5 to ±10 seconds per day
An automatic that gains six seconds a day is running to specification. If that will irritate you every time you set it, you have your answer already.
Upkeep
This is where the decision usually gets made.
An automatic needs to be worn — or wound — to keep running. Typical power reserve is around 40 hours, so a watch you wear Monday to Friday will be stopped by Sunday afternoon. That is not a fault; it is how the mechanism works. It does mean a two-watch rotation involves resetting one of them most weeks.
A quartz watch needs a battery every two to four years and nothing else.
Servicing is the larger number. An automatic should be serviced roughly every five to seven years. A quartz movement is usually replaced rather than serviced, at a fraction of the cost.
Cost over ten years
Add it up honestly:
- Automatic: purchase price, plus one or two services
- Quartz: purchase price, plus three or four battery changes
The gap is real, and it is worth knowing before you buy rather than after.
The part nobody mentions
An automatic seconds hand sweeps. A quartz one ticks.
That sounds trivial written down. In practice it is the single most common reason people who own both reach for the automatic. A sweeping hand makes the watch feel alive on the wrist, and there is no functional argument for it whatsoever.
So which one
Choose quartz if the watch will be worn occasionally, if it is a gift, if it is going into a rotation, or if setting the time more than once a month would annoy you.
Choose automatic if it will be your daily watch, if you like the idea of owning something that runs on your own movement, and if you accept the servicing that comes with it.
Both are correct answers. Only one of them is correct for your week.
