W72
857
It is normal
I asked the same question a few years ago for my Master Geo. Replies I got were that it was fine and normal. Now after four years I can confirm there is nothing wrong with the watch in fact it is one of the more accurate in my collection and is still going strong. So don't worry too much unless it is not functioning as it should be. This message has been edited by watch72 on 2008-07-04 03:48:45
Master Control Reserve de Marche Noise/Rattle
I have a '08 JLC Master Control Reserve de Marche. When tapping the case with my fingernail, it sounds as though there is something loose, like a rattle or a loose spring. What makes this noise? Is it normal operation? Any thoughts would be appreciated. T...
If the watch is still running, it is ...
... not likely that the sound is produced by a loose part of the movement bouncing around in the case. As the 2008 RdM is equipped with cera- mic ball bearings on the rotor I could imagine that the sound orignates there. The ceramics are not lubricated (u...
