The Eterna Calibre 1402, introduced in the 1950s, represents a pinnacle of vintage Swiss automatic watchmaking, beloved by enthusiasts for its compact design and reliable performance in ladies’ and smaller gentleman’s watches. Part of the Eterna-Matic 1400 family, this self-winding movement powered iconic models like the Eterna-Matic, blending elegance with engineering finesse ideal for hobbyist servicing.
Technical Specifications
Type: Automatic mechanical with sweep seconds and bidirectional rotor.
Jewels: 17 (friction-set for durability).
Frequency: 18,000 beats per hour (A/h), offering smooth seconds hand motion.
Power Reserve: Approximately 43 hours when fully wound.
Dimensions: 11.5 lignes (roughly 25.6 mm diameter), slim profile under 5 mm thick.
Functions: Hours, minutes, central seconds; date complication in some variants like 1402U.
Shock Protection: Diashock system on balance staff for robustness.
Finish: Nickel-plated bridges, Geneva stripes on rotor in higher grades.
For any Watch Spare Parts inquiry, Email us for rate and availability: [email protected]
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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