The ETA 2641 is a compact manual-wind mechanical movement produced by ETA SA Manufacture Horlogère Suisse from 1971 to 1980, ideal for ladies’ watches. Known for its reliability within the 26XX family, it features a date complication, distinguishing it from base models like the 2640.
Key Specifications
Size: 7.75 lignes (17.5 mm diameter, 3.5 mm height); mounting diameter 17.2 mm.
Jewels: 17.
Frequency: 21,600 vph (3 Hz) with 53° lift angle.
Power Reserve: Approximately 48 hours.
Functions: Hours, minutes, seconds, date.
Design and Features
This Swiss-made movement uses Incabloc shock protection and shares parts interchangeability with siblings like 2640, 2648, and 2650, such as balance staff #721/2007 or #723. The date corrector (part #002495) allows quick adjustment, enhancing serviceability. Its slim profile suits vintage dress watches from brands like Omega or Tissot.
Service and Parts
Spare parts remain available through specialists, with many 26XX components cross-compatible, though beat rate and complications require verification. Routine servicing every 4-5 years preserves accuracy, typically ±10-20 seconds/day when regulated.
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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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