watch running slow

[noche619]

Originally Posted by Rolexken

Agree.

Originally Posted by padi56

You cannot over wind it all that happens when mainspring is fully wound it just slips in the spring barrel.

Originally Posted by brandrea

I’d start from the beginning.

Let the watch run down until it’s stopped.
Give the watch a full manual wind 40 full turns of the crown (which is usually closer to 50 or 60 winds)
Set the time
Don’t wear it all and see how long it runs for.

I did the test and it seems to be working fine. Seems the problem was when I was winding it, I wasn't doing full turns. This time I wound it and wound it more than twice as many times.
It ran 40-plus hours.
thank you :)

[brandrea]

Originally Posted by noche619

I did the test and it seems to be working fine. Seems the problem was when I was winding it, I wasn't doing full turns. This time I wound it and wound it more than twice as many times.
It ran 40-plus hours.
thank you :)

Yes, it’s important to note that 40 full winds means you probably have to wind it 50-60 times as each turn of the crown isn’t exactly 360 degrees … if that makes sense.

[noche619]

Originally Posted by brandrea

Yes, it’s important to note that 40 full winds means you probably have to wind it 50-60 times as each turn of the crown isn’t exactly 360 degrees … if that makes sense.

thanks....guess I've been underwinding it all along but maybe I was more active before so it kept running

[brandrea]

Originally Posted by noche619

thanks....guess I've been underwinding it all along but maybe I was more active before so it kept running

All good, glad you have it sorted

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[noche619]

Originally Posted by brandrea

All good, glad you have it sorted

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thank you...didn't want to spend $600+ on service if it wasn't necessary. Rolex says every ten years.

[amh]

I'm glad it wasn't.... you know... "the thing" that everyone automatically assumes!

[noche619]

Originally Posted by amh

I'm glad it wasn't.... you know... "the thing" that everyone automatically assumes!

thanks

[noche619]

so my watch passed the test running 40 hours without wearing. but it's running two days when wearing. I'm just not active enough? or I should have it looked at?

[Rolexken]

Originally Posted by noche619

so my watch passed the test running 40 hours without wearing. but it's running two days when wearing. I'm just not active enough? or I should have it looked at?

Put it on a winder when you aren’t wearing it and if that solves the problem then you aren’t active enough.

[piratfisk]

Originally Posted by noche619

I have an air king that was last serviced in 2017. It's keeping time for only a day or two, then running slow. do I need service or could it be that I'm just not active enough? D's in san diego said he would look at it and tell me whether it needs anything. driving and parking downtown is a bit of a pain.

should I go?
or is there another authorized repair place in san diego as good as D's?

D's is good. Also check out Mo in Hillcrest. His shop is on University. I think it's called "About Time." Edit: Or Liz Saba at Presley & Co on Upas. She'll know where to bring it.

[noche619]

Originally Posted by Rolexken

Put it on a winder when you aren’t wearing it and if that solves the problem then you aren’t active enough.

I dont have a winder but thanks

[noche619]

Originally Posted by piratfisk

D's is good. Also check out Mo in Hillcrest. His shop is on University. I think it's called "About Time." Edit: Or Liz Saba at Presley & Co on Upas. She'll know where to bring it.

thanks...Hillcrest would be more convenient but so many people here recommend tom at D's

[KatGirl]

Originally Posted by noche619

so my watch passed the test running 40 hours without wearing. but it's running two days when wearing. I'm just not active enough? or I should have it looked at?

What do you mean? Is it stopping while you are wearing it? If so, you definitely need to have it serviced.

Kat


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[Rolexken]

Originally Posted by noche619

I dont have a winder but thanks

I would get a cheap $25 winder on Amazon and you will get your answer whether it’s you or the watch.

[Rolexken]

Originally Posted by Rolexken

I would get a cheap $25 winder on Amazon and you will get your answer whether it’s you or the watch.

……..and if it’s you get a nice winder.

[DJ2020]

It's been 6 years, Get it serviced! The "slowing down" is a good indication that either the main spring is weak or there is resistance in the train. (old oil) (dirt) etc. Getting it serviced will make it easier on the train and allow for more power transfer which will allow the watch to run more accurate for a longer period of time.

[relaw]

A "full turn" isn't as easy as it sounds. Now, I'll look at the Rolex crown logo on the crown to see what it actually feels like to do a complete 360-degree rotation (Rolex crown logo ending in the same position after a complete turn). After that, I realized that a full turn felt, for me, like 1.5 or 2 "twists" of the crown by my index finger and thumb.

Although it may be impossible or difficult to overwind the watch, winding more than necessary doesn't sound good to me. I've read about people damaging the stem over time (slight bending) especially when winding while the watch is being worn.

[Dirt]

Originally Posted by relaw

Although it may be impossible or difficult to overwind the watch, winding more than necessary doesn't sound good to me. I've read about people damaging the stem over time (slight bending) especially when winding while the watch is being worn.

I understand this can be a thing and it may be worse for a watch that has a screw down crown as it has to pop out to the winding position, thus potentially increasing the bending moment.
I also note that it seems IWC advise against winding the watch on the wrist for the same reason.
I think the biggest potential problem is with manual wind watches where it routinely happens every day and people can occassionally put an abnormal amount of upward pressure on the Winding crown.
Naturally it depends upon the movement, the case design around access to, as well as the size of the Winding crown.
The Speedy Pro comes to mind and I've seen where people will wind it on the wrist by using quite a lot of upward pressure and only using the index finger in a back and forth action. In that instance, I imagine this would require quite a lot of pressure

I have a GS dress watch with a small Winding crown and it can be awkward to wind unless I use the finger and thumb grip and I would not entertain the thought of winding it on the wrist and or utilizing a single finger technique.

[noche619]

Originally Posted by KatGirl

What do you mean? Is it stopping while you are wearing it? If so, you definitely need to have it serviced.

Kat


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no it stops during the night (or very early in the morning)

[geoach]

my PP Aqua manual states do not wind on the wrist

[bp1000]

If it is not stopping within 40 hours after a full 40 turns of the crown, then It doest sound anything is wrong with the watch.

If you aren't that active, I would give it 20 winds each day.

I do not know your watch age, but some older movements (by design) do loose their ability to keep good time at low power reserves. Modern movements post 2004 tend to be much more immune to this.

So, if you aren't as active, give it 20 turns of the crown in the morning. On more active days, no need.

[bp1000]

Originally Posted by geoach

my PP Aqua manual states do not wind on the wrist

Just to prevent stresses on the winding stem. I think rolex advise this too.

Tthe aquanaut shares the same base caliber as the one in one of my patek annual calendars. If that gets to a low power reserve the time keeping gets out of hand, runs 2 to 3x faster per day, up to +6. When you are use to modern tudor and rolex, it can stop and catch you off guard.

[brandrea]

Originally Posted by bp1000

If it is not stopping within 40 hours after a full 40 turns of the crown, then It doest sound anything is wrong with the watch.

If you aren't that active, I would give it 20 winds each day …

So, if you aren't as active, give it 20 turns of the crown in the morning. On more active days, no need.

Exactly.