The ETA 2851 is a reliable Swiss-made mechanical hand-wound watch movement from ETA SA Manufacture Horlogère Suisse, known for its precision in mid-range timepieces.
Key Specifications
Diameter: 25.6mm (11.5 lignes), fitting standard 38-42mm cases.
Height: 4.3mm, slim for versatile designs.
Jewels: 12-17, reducing friction; variants like ETA 2851-1 use 12.
Beat Rate: 21,600 vph (3 Hz), balancing smoothness and longevity.
Power Reserve: Approximately 60 hours when fully wound.
Functions: Three hands (hours, minutes, seconds); no date in base model.
Design and Performance
Crafted with Geneva stripes and high-quality finishing, the ETA 2851 features a lift angle of 52 degrees for efficient energy transfer. Its hand-winding mechanism uses a crown to tension the mainspring, ideal for purists avoiding automatics. Accuracy typically holds at -10/+20 seconds per day, enhanced by hacking seconds in some grades.
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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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