My battery operated wristwatch keeps perfect time when on my wrist; but, stops operating when I take it off at night. Resetting it the following morning restores its timekeeping ability. The battery was just changed by a jeweler and the movement was recently repaired. Any ideas as to what is causing this curious behavior?
Maybe the extra pressure when it's on your wrist is helping with the battery connection.
Is there anything magnetic close to where you put your watch for the night?
mrincredible said:Is there anything magnetic close to where you put your watch for the night?
No. The other items on the table are a clock radio, eyeglasses, a paper box of tissues, and a glass of water. This is where I have been placing my watch at night for over thirty years. Items have remained unchanged. Never had this problem until recently.
Jamie's suggestion makes sense.
During the recent repair the technician might have applied a lubricant that only stays at the proper viscosity when warmed by your wrist.
jamie said:Maybe the extra pressure when it's on your wrist is helping with the battery connection.
Good point, and the cover is not fully on tight.
May be better to take it back and have the jeweller look at it. Some watches need to be reset also.
Easy Test: When you take your watch off this evening leave it very near, but not on, the heat source for the room; i.e. radiator or vent.
Maybe it's just lonely without you?
I am learning so much about the inner workings of a wristwatch. Thank you all for your instructive suggestions.
Need for warmth is an interesting theory. It might explain why the problem developed once the weather grew cold. The table where I normally put the watch at night has a glass top that is cold to the touch. As an experiment, following Truth's suggestion, I took the watch off this afternoon and placed it on the cover of my laptop, which was still warm from having been used plugged in most of the morning. An hour later, the watch was still keeping perfect time.
The heat sources in the house are all recessed in the wall. The closest flat surface to the heat source for the bedroom would be the window sill over the radiator. Since that surface is is adjacent to the window, it is not likely to stay warm enough to try the suggested overnight experiment. I could try wrapping the watch in a warm cloth as soon as I take it off this evening and see if that keeps it running overnight. I will report back with those test results tomorrow.
Put it on your dog or cat's arm to keep it warm. May not work out, but I am enjoying the visuals just thinking about it.
mfpark said:Put it on your dog or cat's arm to keep it warm. May not work out, but I am enjoying the visuals just thinking about it.
If you had a dog or cat, which I seem to recall you do, you would know that the cat or dog would be far more likely to attack the watch and then try to eat it. Having the cat bat the watch about would be a good test to see if the jeweler accidentally installed a self-winding mechanism in the watch. This is one possible theory that has yet to be suggested.
to test the heat theory: take it off during the day; ambient temp will still be lower than your body’s.
To test pressure theory: if the above doesn’t give “conclusve” results rest a heavy book on it.
In both cases allow more than an hour.
joan_crystal said: mfpark said:Put it on your dog or cat's arm to keep it warm. May not work out, but I am enjoying the visuals just thinking about it. If you had a dog or cat, which I seem to recall you do, you would know that the cat or dog would be far more likely to attack the watch and then try to eat it.
Unless it was ...
... wait for it ...
Curiouser and curiouser: I am not aware of having done anything different last night; but, the watch kept perfect time while being on the table in the same place as usual.
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