The alarm function goes back many centuries. As early as the 16th century, some pocket watches will include alarm functions, or sequence alarms, or sometimes both. In 1601, the rules of the Geneva Chamber of Producers and Dealers called for watchmakers who wanted the title of master to produce a "watch with noise" that could be worn around the neck. Over time, the watch era, alarm devices continue to become smaller and more complex. The first standard-size wristwatch with noise was introduced in 1947, and the sound it uttered finally enough to wake the sleeper. Its movement specifications include two barrels, one for the movement, and the other for the alarm, this technology has since been widely applied. Most mechanical alarm watches have a second crown that can be used to set the time, display on the dial, and chain the alarm. Vocalize by striking a reed or bell with a hammer. This is especially true for the traveler, and given that it is being more integrated into watches with multiple time zones, watchmakers have created ingenious systems for these watches that can be used to communicate with certain One or other time zone. In addition to providing wake-up, the alarm clock can count down an event to alert you of an important appointment and even avoid unhappy parking tickets after the meter has arrived.
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