WatchProSite|Market|Digest

Horological Meandering

some technical explanations

 

Hi Joehank,

I've been asked by a colleague watchmaker to chime in on the questions you raised here.

The problem you describe is not exclusive to any one brand. In fact, there has been much diiscussion about this subject on many watch forums.

There is a small amount of play in the gearing of the minute hand which doesn't follow the precise movements of the small second hand. Even when there exists a 'stop hack' it is not guaranteed that every time the second hand comes up to the top at 60 will the minute hand follow in unison. One way to compensate for the 'play' in the gears is to advance the minute hand by a few minutes and the slowly turn the minute hand BACKWARDS to the precise time with the second hand.

With reference to the technical explanation you received from the company about the 'length' of the minute hand, what they meant is the length of time it takes for the minute hand to make a complete revolution compounds the above mentioned 'play' in the gears which results in a short term lack of precise synchronization between the minute and second hands. This explains why after time, as the differential play works in reverse, the synchronization takes effect until the next cycle.

I've attempted to assure you that with mechanical timepieces this problem does not represent a major deficiency with a given brand but rather demonstrates some limitations commonly found throughout many of even luxury brands.

Regards,
Jack Freedman

  login to reply