The ETA 1256 is a vintage manual-wind mechanical movement from the renowned Swiss manufacturer ETA SA, celebrated for its reliability and precision in mid-20th-century timepieces.
Historical Background
Developed in the post-WWII era during ETA’s expansion under the Swatch Group precursor, the 1256 emerged from Fontainemelon roots tracing to 1790s ébauche production. It powered affordable luxury watches from brands like Omega and Tissot, embodying ETA’s monopoly-era dominance before regulatory scrutiny in the 2000s.
Key Specifications
Size and Jewels: 11.75 ligne diameter, 17 jewels for reduced friction and longevity.
Functions: Hours, minutes, central seconds; manual winding with hack feature in some variants.
Frequency and Power: 18,000 vph (2.5 Hz), approximately 42-hour power reserve.
Finish: Geneva stripes on bridges, blued screws for aesthetic appeal in visible cases.
Performance and Reliability
Known for robust construction, the 1256 offers chronometer-grade accuracy when regulated, with adjustable regulator for fine-tuning. Its simple architecture minimizes service needs, making it ideal for restoration projects among collectors.
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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