The ETA 2620 is a classic automatic mechanical watch movement from ETA, renowned for its reliability in vintage timepieces. Introduced around the 1960s, it powers numerous Swiss watches with a time-only configuration and sweep seconds hand.
Key Specifications
Size and Design: 11.5 lignes (about 25.6mm diameter), slim profile suitable for dress watches.
Beat Rate: 21,600 vibrations per hour (vph), offering smooth seconds hand motion.
Power Reserve: Approximately 40-42 hours when fully wound.
Jewels: Typically 17-21 synthetic rubies for reduced friction.
Historical Context
Produced by ETA SA (part of the Swatch Group), the 2620 belongs to the 2600 family, emphasizing efficiency and modern gear trains still influential today. It lacks date complications, focusing on simplicity, and was widely used in mid-range brands from the 1960s onward. Variants like 2622 add day/date features.
Technical Highlights
The movement features a central rotor for bidirectional automatic winding, glucydur balance wheel, and anuvin regulation. Its gear train—mainspring barrel, second wheel, third wheel, and direct center wheel—ensures precise timekeeping. Service parts like barrels (Part 182) remain available for restorers.
For any Watch Spare Parts inquiry, Email us for rate and availability: [email protected]
Watch Parts Enquiry
* If you are unable to fill out any of the required information fields, please type “N/A”.
Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
Mobile/WhatsApp: +91- 9841 360 340