Eterna: Pioneers of the Watchmaker’s Art
During the past 150 years, Eterna developed many technical highlights, e.g. the first alarm wristwatch, the ball-borne self-winding mechanism, the first chronographs, and the slimmest quartz watch (0.98 mm). For the first time ever, this volume chronicles and illuminates the background of the evolution from Eterna to Eta and from there to manufacture status.
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