Show Lifetime of a Watch Experts I say that the lifetime of ot a gt good od watch Is fifty years In Its dally duties tho the balance vibrates times e cr every hour or over o times a n year The hairspring makes a n similar number of oC vibrations and an nn equal number of ticks come from the tho escapement This Is a n marvelous record considering the small quantity of food flod that Om t has been consumed h bj by byI I ks Its constant action u ton I an Experts say Sit I food because what cr labors muss musi 1 bo be fed fell and the watch lives on 10 s of ring mainspring every 1 0 every l J 1 l hours |