The ETA 2838 is a robust automatic mechanical watch movement from the renowned Swiss manufacturer ETA, part of the Swatch Group. Known for its reliability and high-beat performance, it powers numerous mid-range Swiss watches with day-date complications.
Key Specifications
Size and Build: 13 lignes (29mm diameter), 5.25mm thick, 25 jewels.
Frequency: 36,000 vibrations per hour (5Hz) for smooth sweeping seconds.
Power Reserve: Approximately 40 hours when fully wound.
Functions: Hours, minutes, central sweeping seconds, day (curved at 12 o’clock, quickset), date (quickset at 3 o’clock).
Design and Features
This movement belongs to ETA’s 2800 family evolution, featuring a central rotor for bidirectional winding and Incabloc shock protection. Its high frequency enhances precision, rivaling more expensive calibers, while the quickset day-date mechanism adds practicality for daily use. Serviceable and durable, it uses a Glucydur balance and Nivarox hairspring for stability.
Popularity and Usage
The ETA 2838 gained fame in the 1980s-1990s for its balance of performance and affordability, often found in brands like Tissot, Certina, and Longines. Post-2020 Swatch Group restrictions limited non-group sales, boosting alternatives like Sellita SW300. Collectors value its “workhorse” status in vintage divers and dress watches.
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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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