The <a href="https://en.wikipedia.org/wiki/Hamilton_Watch_Company" id="mw4g" rel="mw:WikiLink" title="Hamilton Watch Company">Hamilton Watch Company</a> introduces the first <a href="https://en.wikipedia.org/wiki/Electric_watch" id="mw4w" rel="mw:WikiLink" title="Electric watch">electric watch</a>.<sup about="#mwt155" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-29"}}' id="cite_ref-29" rel="dc:references" typeof="mw:Extension/ref"><a href="./January_3#cite_note-29" id="mw5A" style="counter-reset: mw-Ref 29;"><span class="mw-reflink-text" id="mw5Q">[29]</span></a></sup>
<span class="mw-reference-text reference-text" id="mw-reference-text-cite_note-29"><cite about="#mwt152" class="citation book cs1" id="mwCYk"><i id="mwCYo">Technical Bulletin</i>. Engelhard Industries Division. 1960. p.<span id="mwCYs" typeof="mw:Entity"> </span>117.</cite><span about="#mwt152" class="Z3988" id="mwCYw" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Technical+Bulletin&amp;rft.pages=117&amp;rft.pub=Engelhard+Industries+Division&amp;rft.date=1960&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJanuary+3"></span></span>