19:12 15.10.2015Kalendarium
1931 - The alarm wristwatch with a 8-day power capacity
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![1931 - The alarm wristwatch with a 8-day power capacity](/images/thumbnails/image880.webp)
In 1931 Eterna launched the first eight-day alarm wristwatch.
Application: Władysław Meller
Other records: Timeline of Watchmaking Innovations