How Watches Work by John McGonigle of Oileán Watches (Video)

In this presentation that John McGonigle of Oileán Watch gave for Engineers Ireland, he explains how watches work. The video is well worth watching for anyone interested in just what makes a mechanical wristwatch tick.

Back of the movement of the Oileán H-B1 Triple Calendar Chronograph (photo courtesy Guy Lucas de Peslouan/ ArtSight)

You might be familiar with the functions of the principle watch complications; however, few understand the ingenious mechanical systems that drive them. Drawing from his experiences developing and making tourbillons, chronographs, perpetual calendars and minute repeaters, John McGonigle lifts the veil on how these incredible mechanisms work.

And John also gave another talk a month ago about how watches are made.

For more information on Oileán Watches, please visit

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