The ETA 1121: A Reliable Manual Wind Movement
The ETA 1121 is a compact manual-wind mechanical watch movement produced by ETA SA, renowned for its precision and durability in vintage and mid-range timepieces. Introduced in the mid-20th century, it exemplifies Swiss horological engineering with a Swiss lever escapement and manual winding mechanism.
Key Specifications
Size and Jewels: 11.75 ligne diameter, typically 17 jewels for reduced friction and enhanced longevity.
Functions: Hours, minutes, and small seconds at 6 o’clock; no date complication for simplicity.
Frequency: 21,600 vibrations per hour (3 Hz), balancing power reserve and accuracy.
Power Reserve: Approximately 42-46 hours when fully wound.
Design and Performance
Crafted with Incabloc shock protection, the ETA 1121 resists daily wear, making it ideal for robust vintage watches. Its Geneva-striped bridges and blued screws add aesthetic appeal visible through exhibition casebacks. Accuracy hovers around -10/+20 seconds per day, chronometer-grade in select variants.
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