Watch maintenance

What is the difference between automatic winding and manual winding of mechanical watches?

20210625172802

What is the difference between automatic winding and manual winding of mechanical watches?

Hello, everyone, I am a cross-age talk watch, a personal watch expert who has been by your side, a cross-age watch talk! Focus on the watch field for 10 years, professional watch reviewer, movement appraisal, watch knowledge propaganda! Make true and false comparisons, video evaluations, dismantling evaluations, etc., to popularize nutritious and in-depth watch knowledge for everyone, enrich yourself with knowledge, so that your way of playing watches will not be pitted, just for fair evaluation of each model Watch.

When choosing a watch, we will look at its brand, material, movement, etc. However, old watch fans see whether it is manual winding. In principle, automatic winding technology is an improved invention in watchmaking technology. , Why do some old watch fans prefer those “backward” manual windings? Since the emergence of self-winding watches, many watch friends are comparing its advantages and disadvantages with manual-winding watches. Let me talk about the advantages of self-winding mechanical watches:

1. The advantages of automatic winding

1. Obviously, the biggest advantage of automatic winding is its convenience, and there is no need to manually wind it every day. And if you forget to wind it manually, it will stop, which is very inconvenient for people who are pursuing efficiency in modern times.

2. Relatively speaking, the precision of automatic winding is higher. The mechanical watch uses the contraction and expansion of the mainspring to release energy to the balance wheel speed control system of the hairspring. Generally, the clockwork torque of a manual-winding mechanical watch is first large and then small. For example, the error of the watch at the beginning may be 5 seconds, but in the end, the power becomes less and the clockwork torque becomes smaller, and the error will be Has become very big. Simply put, it is a manual mechanical watch, the most accurate state of full-winding, and then with time the power of the clockwork decreases and the error becomes larger and larger!


The self-winding watch is different. The automatic rotor that has been worn on the back of the movement will continuously provide power to the movement, and the self-winding watch has an anti-“winding-up” device, when the watch is fully powered , The automatic rotor winds the mainspring, the mainspring will only slide in the barrel and will not shrink. The mainspring releases a little energy and the automatic rotor replenishes a little bit, so that the reciprocating movement is always in a tight state. , The output torque is relatively stable, and the movement error is relatively small.

 

3. Automatic winding is more suitable for waterproof design. To say which part of the watch is most prone to water, it must be the crown. This is a relatively weak place. Normal diving watches will have a threaded tube in this part. If it is manually wound, then frequently using the head will undoubtedly be a kind of damage to the threaded tube, thereby reducing the waterproof performance, so our common diving watches are automatically wound.

 

4. Automatic winding is safer than manual winding. Because the automatic winding has an anti-“winding-up” device, you are not worried about blowing up the mainspring. Manual winding is different. Usually it is an ordinary spring and there is no anti-“winding” device. The replenishment of the mainspring can only rely on your own hand. If someone does not know the feedback strength and keeps on the chain, it will be easy to wind up in the end. Or the gear is broken.

Of course, having said so much does not mean that automatic winding is perfect. Compared with manual winding, automatic winding does not have some advantages.

Second, the advantages of manual winding

1. Manual winding is thinner than automatic winding. This is because there is an automatic rotor on the back of the self-winding movement, and the thickness of an automatic rotor will naturally go up; therefore, some ultra-thin styles on the bezel are often self-winding.

2. Manual winding is more durable than automatic winding. This is very simple. For mechanical watches, the simpler the structure, the more durable it is.

3. The price of manual winding is cheaper than automatic winding, and the maintenance cost is also very low.

4. The manual winding movement has more space to show itself. This is also very simple, because there is a huge automatic rotor on the back of the automatic winding movement, and this automatic rotor tends to cover the general movement, so for those who like to appreciate the movement, they prefer manual mechanical .

In summary, the self-winding watch is to ensure that your watch is kept close to full during daily wear, and to ensure the best accuracy of the movement. Not many people literally understand that automatic watches do not need to be manually wound. Nowadays, many urban people work and other reasons, the wrist is placed in front of the computer desk and the amount of exercise is very small, and the effect of the automatic winding does not play a big role, so it is still necessary to manually wind it. Of course, it also includes manual winding after wearing it for a long time. Remember not to sway your watch to wind it automatically, but regardless of the amount of exercise, you must pull out the crown every time. Needle movement and winding. Firstly, the oil lubrication of each part of the lower dial wheel train can be run-in. Secondly, especially for the crown of the threaded lock, if you do not turn it regularly for a long time, it will easily become “locked”. This is because It was caused by sweat and other reasons, and I couldn’t unscrew it when I tried to twist it. I believe many cousins ​​have this experience.

Happy time is always short. It ends here today. Thank you for watching. I am an inter-age watch, and a personal watch expert who has always been by your side. Focus on the watch field for 10 years, professional watch reviewer, movement appraisal, watch knowledge propaganda! Make true and false comparisons, video evaluations, dismantling evaluations, etc., to popularize nutritious and in-depth watch knowledge for everyone, enrich yourself with knowledge, so that your way of playing watches will not be pitted, just for fair evaluation of each model Watch.

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