<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">electronic watches</topic></authority><related type="narrower"><topic>digital watches</topic></related><related type="broader"><topic>watches</topic></related><variant type="other"><topic>electronic watch</topic></variant> <note xml:lang="en"><![CDATA[ Timepieces, usually worn on the wrist, that are powered with a "resonance drive," in which a tiny tuning fork driven electrically provides the motive power. First produced in 1953, the resonance drive type, properly called an electronic watch maintains accuracy since it operates at a frequency higher than that customarily used with balance-type watches. When the battery is too weak to operate the tuning fork, the watch simply stops, without deterioration. Power is provided by miniature high-energy-density batteries. ]]></note></mads>