Wristwatches were first officially invented in 1868 when a watch was created for the Countess of Hungary. Prior to the first official wristwatch, pocket watches were adapted to be worn on the wrist as early as 1570. More »

Serial numbers on Lecoultre watches are generally located either on the back of the watch or inside the watch case on the movement. The numbers tend to be quite small, and may require a magnifying glass or loupe in order... More »

While devices to measure time have existed for thousands of years, the first mechanical clock was created in 725 by Yi Xing and Liang Lingzan in China. This was the first clock to use an escapement mechanism rather than ... More »

A German clockmaker named Peter Henlein created small, spring-powered clocks in 1510. These clocks were rarely accurate but were small enough to be portable. In the 17th century, pocket watches came into fashion and new ... More »

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The pocket watch was developed by German inventor Peter Heinlein, who developed the first wave of pocket watches in 1524. However, early watches were worn as a pendant around the neck. Charles II popularized putting watc... More »

Augusta Ada Byron King, Countess of Lovelace, commonly known as Augusta Ada Lovelace, invented the first version of what would later become known as computer programming. Specifically, Lovelace created a system that enab... More »

Countess Elizabeth Bathory of Hungary was called the Blood Countess because she reputedly killed hundreds of young peasant and servant women in the 16th and 17th centuries. She allegedly bathed in their blood in order to... More »

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