


The Eterna 1078 calibre stands as a pinnacle of mid-20th-century Swiss horology, captivating vintage watch enthusiasts and hobbyist watchmakers with its elegant manual-wind design and sweeping seconds hand. Produced around the 1940s by Eterna (sometimes under the Silvana moniker), this movement exemplifies compact precision engineering, ideal for restoring classic dress watches or slim cases.
Historical Context
Introduced post-World War II, the 1078 emerged during Eterna’s innovative era, bridging manual traditions with early modern refinements. It powered affordable yet refined timepieces from brands like Eterna and others using ETA-compatible ebauches. Collectors prize it for its reliability in vintage pieces, often found in 36-38mm cases, evoking the golden age of Swiss watchmaking.
Technical Specifications
Calibre Designation: 1078 (Silvana variant)
Size: 10½ lignes (diameter ~23.3mm)
Height: Approximately 6.5mm (slim profile)
Jewels: 15
Beat Rate: 18,000 A/h (5 Hz)
Escapement: Pallet lever
Power Reserve: ~42-45 hours
Functions: Hours, minutes, sweep seconds; covered winding wheels
Lift Angle: ~52° (efficient energy transfer)
Mainspring: ~1.00 x 0.080 x 200mm
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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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