Show lifetime of a watch experts say that the lifetime of 0 a good watch Is fifty years jn in its dally daily duties the balance vibrates times every hour or over times a year the hairspring makes a similar number of vibrations and an equal number of ticks come from the escapement this Is a marvelous marv clous record considering the small quantity of 0 food that lias has been consumed by its constant action experts say food because whatever labors must be fed and the watch lives on about IQ inches laddis of mal every 21 24 hours |