Alarm watches to be worn in pockets or on the wrist

Full Title

Arrangements producing acoustic signals at preselected times > Alarm clocks > Alarm watches to be worn in pockets or on the wrist

Classification Context

Section:

PHYSICS

Class:

HOROLOGY

Subclass:

MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME-PIECES USING THE POSITION OF THE SUN, MOON, OR STARS