Horological Meandering

Hi guys, I have been wearing a 7750 based chrono (IWC 3705, a huge favorite) for a while and it's kept great time. A week ago, my beloved wife placed my beloved IWC on its crown, and there it stayed for about 8 hours. The next day, it was 25 minutes slow.... 

First check it has not been magnetized, but it seems that your watch needs a good service. Keep us updated! Best, Nicolas.

Time for a full service. It can be a simple matter, like a small piece of dirt on the balance spring or something worst. Good news is that the 7750 is quite common and any good watchmaker can take care of it. Cheers, Nilo

Isn't this strange? It was serviced by Superior to the tune of 650 dollars. I wonder if it did get magnetized? Can a hotel room television do that? It sat on its crown by a TV overnight. That's all. Well, I emailed Superior. Let you guys know what happens... 

Magnetism is unlikely to cause it to misbehave so dramatically, but perhaps it is something simple that they can address without a complete service. _john

I was looking forward to your opinion. isn't this strange? Or is it not? I'm sure Superior will treat me right. They have a great reputation. Well, the upside is, I really love this IWC--it may be my all time favorite watch, in the sense of an everyday we... 

No issues! My LV (black dial) is another supreme favorite for everyday--and almost 5 years later--she's running very well. I did have the date stick once, after a long period of no wear... but manually changed the date, going round and round, and it was f... 

Watches work fine until they stop working fine, but the transition can be gradual, dramatic or anywhere in between. _john

You can always try the watch repairer/maker's remedy and give it a bloody good shake. You'd be amazed how many times it's fixed the problem. A bit like switching your computer off then on again, or a mechanic flogging the living daylights out of you car t... 

The equivalent of the old Alfa tune-up? Cane the hell out of a car that has been pussyfooted around?

To gain faster timing, lay watch flat with dial upwards To slow down timing, lay watch vertical position, crown facing downwards To slow down timing even more, lay watch vertical position crown facing upwards Some Kamasutra lessons here.. Get it serviced.... 

No, I did not drop the watch. Just layed it on its crown one night... appreciate all the replies very much and will keep you updated. M

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Any watch runs at slightly different "speeds" in the six possible positions: dial up/down, crown left/right/up/down. This has been known for centuries, and certainly before Mr. Wilsdorf's grandparents were born. This is one of the basic errors that Bregue... 

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It corrected itself, then ran slow again--by minutes--within a few hours. Then by hours after another day...