[AS.] A pocket timepiece. The train of wheels is the same as in a clock, but the main-spring and balance take the place of the weight and the pendulum in a clock. Watches are made mostly in Switzerland, England, France, and the United States American watches are all made by machinery, the parts being cut so as to fit in all watches of the same kind. Watches are distinguished by the kind of escapement used - as verge, lever, duplex lever, and chronometer watch ; also by the cases they are enclosed in- as open-faced, and hunters and half-hunters, which have closed and half-closed faces..Keyless watches, wound up by a knob on the stem, have taken the place of those wound up by a ke