Eterna 1414: A Vintage Automatic Gem
The Eterna 1414 calibre, introduced around 1952, marks a pivotal era in self-winding watchmaking for vintage enthusiasts and hobbyist repairers. As part of the Eterna-Matic lineup, this Swiss automatic movement blends reliability with innovative engineering, powering classic dress and dive watches like early Kontiki models.
Historical Context
Debuted post-WWII amid the automatic boom, evolving from ebauche bases like ETA 2385 to Eterna’s precise specs.
Produced through the 1950s-1960s, often in 34-36mm cases with gold plating or stainless steel.
Variants like 1414U and 1414UD featured unidirectional winding rotors, ideal for active lifestyles.
Technical Specifications
Jewels: 17, supporting key pivots for reduced friction.
Beat Rate: 18,000 vph (5 Hz), delivering smooth sweep seconds.
Height: 5.55 mm; diameter: 29.0 mm (11.5 lignes).
Power Reserve: Approximately 48 hours.
Adjustments: Typically 2 positions for everyday accuracy.
Rotor: Ball-bearing mounted (0.05 mm tolerance); stem height 2.1 mm, mounting height 1.6 mm.
Functions: Central hours, minutes, seconds; self-winding with optional hacking.
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Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
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