2006 - Ball bearing-mounted Big Date disc with integrated gear toothing
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The Big Date made his debut on the Vaughan Big Date collection. The Eterna 3030 is equipped with a convex profile in the shape of a lens, in which the curved surface is precisely composed of two discs of a date unit. They are designed in the form of two concentric rings rotating side by side instead of a conventional system (common in most Big Date) with two flat overlapping discs.
The 3030 automatic movement with Big Date is considered to be the slimmest in its class.
Application: Tomasz Jakubas
Other records: Timeline of Watchmaking Innovations
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