![1974 - Stopwatch mechanism with cam lever](/images/zegarek-ze-stoperem-dzwignia-krzywkowa.webp)
1.07.1974 – official presentation of the new movement.
Application: Władysław Meller
Other records: Timeline of Watchmaking Innovations
1.07.1974 – official presentation of the new movement.
Application: Władysław Meller
Other records: Timeline of Watchmaking Innovations