
Eterna introducing the world's first alarm wristwatch prototype in 1908. That watch went into mass production in 1914.
Application: Władysław Meller
Other records: Timeline of Watchmaking Innovations
Eterna introducing the world's first alarm wristwatch prototype in 1908. That watch went into mass production in 1914.
Application: Władysław Meller
Other records: Timeline of Watchmaking Innovations