What is the difference between an automatic and mechanical watch?
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Time to read 3 min
What is the difference between an automatic watch and a mechanical watch?
The difference between an automatic watch and a mechanical watch is in the way they work. A mechanical watch must be manually wound by turning the crown, usually every day or two, to keep it running. In contrast, an automatic watch winds itself by the movements of your wrist while you wear it.
1. What is a mechanical watch?
A mechanical watch is a traditional timepiece that operates without a battery or electronic energy source. It is powered by a complex mechanism composed of cogwheels, springs, and gears.
Main features:
- Manual movement : A mechanical watch must be wound regularly using the crown to keep it running. This process winds the mainspring, which then releases its energy to power the mechanism.
- Artisanal precision : Mechanical watches are often made by hand, which reflects exceptional watchmaking know-how.
- Power Reserve : Typically, most mechanical watches have a power reserve of 24 to 48 hours. This means that they need to be wound every day or every other day.
2. What is an automatic watch?
An automatic watch, also called a self-winding watch, is a specific type of mechanical watch. It uses the natural movement of the wrist to wind itself, eliminating the need for regular manual winding.
Main features:
- Automatic mechanism : Thanks to a semi-circular rotor integrated into the movement, the watch captures the energy generated by the movements of the wrist. This rotor turns and winds the mainspring automatically.
- Manual winding possible : Most automatic watches also allow manual winding via the crown, providing an additional option if they are not worn regularly.
- Power reserve : Similar to mechanical watches, with an autonomy often between 40 and 70 hours depending on the model.
3. The key differences between a mechanical watch and an automatic watch
| Criteria | Mechanical watch | Automatic watch |
|---|
| Reassembly | Manual only (via crown) | Automatic (wrist movements) and manual possible |
| Practicality | Requires regular reassembly | Practical for everyday use |
| Complexity of the mechanism | Simpler in its construction | Includes rotor for automatic winding |
| Recommended use | Ideal for lovers of tradition and simplicity | Ideal for those who wear their watch every day |
| Cost | Often more affordable than automatic watches | Often more expensive due to the complexity of the mechanism |
4. Advantages and disadvantages
Mechanical watch:
Benefits :
- Reflects traditional watchmaking know-how.
- Often thinner and more refined design thanks to a simpler mechanism.
- Less expensive than automatic watches in some ranges.
Disadvantages:
- Requires regular manual winding.
- Less practical for everyday use, especially for those who forget to wind their watch.
Automatic watch:
Benefits :
- Automatically winds up when worn, providing greater convenience.
- Ideal for lovers of mechanical watches but looking for simplified maintenance.
- Advanced technology combining tradition and innovation.
Disadvantages:
- May stop if not worn for several days (requiring manual winding or use of a watch winder).
- Often more expensive due to the complexity of the mechanism.
5. How to choose between a mechanical watch and an automatic watch?
The choice mainly depends on your preferences and lifestyle:
- If you like authenticity and the ritual of winding , a classic mechanical watch is ideal.
- If you are looking for a functional and practical watch for everyday use , opt for an automatic watch.
- If you own multiple watches : A mechanical watch can be a good addition if you already have automatic models.
Conclusion
The main difference between a mechanical watch and an automatic watch is their winding method. While the mechanical watch requires regular manual winding, the automatic watch uses the movements of the wrist to wind itself. Both types embody watchmaking expertise and offer a unique experience to their owners.
Whether you choose a mechanical or automatic watch, you are investing in a timeless piece that reflects tradition, elegance and precision.
FAQ
What is a mechanical watch?
A mechanical watch is a timepiece that operates using a mainspring and a complex mechanism of gears. It must be manually wound by turning the crown to keep it running.
What is an automatic watch?
An automatic watch is a type of mechanical watch that winds itself using the movements of the wrist. It uses a rotor that rotates with the natural movements to wind the mainspring, thus avoiding regular manual winding.
Should I wind an automatic watch?
Not necessarily, as long as you wear it regularly. If it is left still for several days, it will stop and require manual winding or the use of a watch winder to resume operation.
How long is the power reserve of an automatic or mechanical watch?
Power reserve (the time a watch runs after being wound) typically ranges from 24 to 70 hours, depending on the model and mechanism. Modern watches tend to offer longer power reserves.
Which watch is easier to maintain: automatic or mechanical?
Both require similar maintenance, such as servicing every 3 to 5 years. However, an automatic watch is more convenient to use on a daily basis because it winds itself, unlike a mechanical watch which must be wound manually.
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