Article: Complete Guide to Watch Winding

Share

Dec 14, 2023

Complete Guide to Watch Winding

Winding a watch isn't a universal action: a manual, automatic, or quartz movement has different needs. This guide explains how to wind each type of watch, how many turns to apply, and when an automatic watch winder becomes relevant.

Short answer: A hand-wound watch is wound by turning the crown clockwise until a slight resistance is felt, usually after 30 to 40 turns. An automatic watch winds itself when worn, but can be hand-wound with 30 to 40 clockwise turns if it has been stationary for more than 48 hours. A quartz watch, powered by a battery, does not need to be wound.

The three types of winding

The winding method depends on the watch's caliber. There are three families: manual winding, automatic winding, and quartz.

Hand-wound watch

The wearer winds the mainspring themselves by turning the crown. Typical power reserve: 40 to 48 hours for most calibers, up to 8 to 10 days for movements with a large power reserve (Panerai P.5000, Lange 31, IWC caliber 59210). Without regular winding, the watch stops.

Automatic watch

A rotor pivots freely around a central axis and winds the mainspring thanks to the natural movements of the wrist. The power reserve generally ranges from 38 to 80 hours depending on the caliber. Most modern automatics have a power reserve between 40 and 70 hours. Beyond this duration without wearing or winding, the watch stops.

Quartz watch

Powered by a battery, it has no mainspring and does not need to be wound. Its accuracy is superior to that of a mechanical movement (±15 seconds per month versus ±5 to ±15 seconds per day for a chronometer mechanical caliber).

How to wind a hand-wound watch

Manual winding is a daily action to be performed at a fixed time to stabilize the accuracy of the movement.

Remove the watch from your wrist to avoid exerting a lateral angle on the winding stem.
Unscrew the crown if it is screwed down, until a slight click indicates it is released.
Turn the crown clockwise, in small movements of 1/4 to 1/2 turn, without jerking.
Stop at the first firm resistance, usually after 30 to 40 turns.
Screw the crown back in to preserve water resistance.

To remember: On a manual caliber, the resistance felt at the end of the travel indicates that the spring is tensioned. Forcing beyond this risks breaking the mainspring's bridle. A watch repair for a broken spring costs between €150 and €400 depending on the caliber.

How to hand-wind an automatic watch

An automatic watch can be manually wound via the crown, without risk to the movement. This operation is useful when it has been stopped for more than 48 hours or before a day of reduced activity.

Remove the watch from your wrist.
Unscrew the crown if it is screwed down, without pulling it out to the setting position.
Turn the crown clockwise, 30 to 40 turns are enough to provide a useful power reserve.
Do not look for a stop: on an automatic caliber, the slipping mechanism prevents overwinding, but the resistance felt is not a reliable indicator.
Screw the crown back in before putting the watch down.

To remember: The 9 PM–3 AM range is forbidden for any date or calendar complication setting. During this window, the calendar gears are engaged for automatic change. Forcing a setting at this time can break a tooth on the date wheel.

Why use a winder for an automatic watch

A winder replicates wrist movements via a silent motor that rotates the watch according to programmed cycles. It keeps the movement active when not worn daily.

Three main uses justify a winder:

Several watches in rotation: a collector who owns 3 to 6 pieces can only wear one per day. The others stop.
Complications to keep updated: perpetual calendar, moon phases, equation of time. An incorrectly set perpetual calendar can require a watchmaker's intervention, costing €300 to €800.
Occasionally worn watch: evening model, sports watch only worn on weekends.

Technical parameters of a winder

TPD (turns per day): 650 to 800 TPD covers the majority of modern calibers. Some brands require a specific setting (Patek Philippe caliber 324 SC: 800 TPD; Rolex caliber 3235: 650 TPD).
Rotation direction: most watches accept bidirectional mode (BOTH). Some exceptions require a single direction, notably certain Rolex Daytona equipped with caliber 4130 which favor clockwise rotation.
Programmed pauses: a good winder alternates rotation phases and rest phases to avoid unnecessary wear on the spring and slipping mechanism.
Motor: Mabuchi motors (Japan) remain the benchmark for silence and longevity, ahead of generic Chinese motors.

For details on TPD by brand and reference, consult the essential guide to automatic winders.

Mistakes to avoid

Winding a wet watch: moisture around the unscrewed crown penetrates the movement and oxidizes the pivots.
Setting the date between 9 PM and 3 AM: risk of mechanical damage to the date wheel.
Forcing at the end of travel on a manual caliber: breakage of the mainspring's bridle.
Winding on the wrist: the angle imposed on the winding stem can deform it or break the sliding pinion.
Forgetting to screw in the crown: immediate loss of water resistance on models with screwed crowns.
Buying a winder under €50: noisy motors, imprecise TPD, lifespan less than 12 months.

FAQ

How many turns does it take to wind an automatic watch?

30 to 40 clockwise turns of the crown are enough to provide a useful power reserve. On an automatic caliber, there is no clear stop: the slipping mechanism prevents overwinding of the spring.

Which way should a watch be wound?

Always clockwise (forward), crown in the neutral position. Counter-clockwise does nothing on most calibers and can disengage the winding pinion on some older movements.

Can an automatic watch be overwound?

No. Modern automatic calibers incorporate a slipping mechanism that disengages the rotor from the mainspring when the latter is fully tensioned. Manual winding cannot damage the spring on this type of caliber.

Can a hand-wound watch be overwound?

Yes. On a manual caliber, the spring is rigidly linked to the barrel. Forcing beyond the firm resistance breaks the spring's bridle. Repair costs between €150 and €400 depending on the caliber.

Does an automatic watch need to be wound every day?

No, if it is worn for more than 8 hours a day. The natural movements of the wrist are enough to maintain the power reserve. Supplementary manual winding becomes useful after 48 hours without wear.

Why does my automatic watch stop despite daily wear?

Three main causes: insufficient physical activity (prolonged sedentary work), seized rotor requiring an overhaul, or a fatigued mainspring after 5 to 7 years without maintenance. A complete overhaul of an automatic caliber costs between €250 and €800 depending on the brand.

Is a winder essential for an automatic watch?

No, except for watches with calendar complications (perpetual calendar, moon phases) or pieces not worn several days a week. For a single watch worn daily, a winder provides no mechanical benefit.

To go further

View all winders · Essential winder guide · The best automatic movements