Eterna 1416: A Vintage Automatic Marvel
The Eterna 1416, launched around 1953, represents a pinnacle of mid-20th-century Swiss horology, beloved by vintage enthusiasts and hobbyist watchmakers for its robust automatic winding and elegant engineering. Part of the Eterna-Matic family, this calibre powered stylish dress watches through the 1950s and 1960s, blending reliability with the era’s sweeping seconds hand.
Historical Context
Introduced post-WWII as Eterna embraced self-winding tech, evolving from earlier manual calibres like the 1411/1421 series.
Featured in models with domed dials, often in 34mm cases, appealing to collectors seeking understated 1950s aesthetics.
Known for servicing ease, making it ideal for hobbyists restoring originals with period-correct parts.
Technical Specifications
Size: 13.5 ligne (approximately 30mm diameter).
Jewels: 17, reducing friction in key pivots.
Winding: Automatic bidirectional rotor, 48-hour power reserve.
Frequency: 18,000 beats per hour (2.5 Hz) for smooth sweep seconds.
Functions: Time-only with central sweep seconds; variants include date at 3 o’clock.
Height: Slim 5.5mm profile, fitting vintage cases perfectly.
Finish: Blued screws, Geneva stripes on bridges for visual appeal during disassembly.
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Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
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