The ETA 2480 is a vintage manual-wind mechanical movement from ETA, renowned for its reliability in mid-20th-century Swiss watches.
Overview
Produced primarily in the mid-1900s, the ETA 2480 belongs to an early family of ETA calibers with a fixed (later mobile) stud carrier and indirect minute hand drive, enabling a larger balance wheel for improved stability. It operates at 18,000 beats per hour (bph), with a variant ETA 2482 at 21,600 bph, and measures around 11.5 lignes in diameter. This caliber powered numerous affordable Swiss timepieces, emphasizing ETA’s role in democratizing quality horology.
Key Features
Manual Winding: No automatic rotor; powered solely by hand-winding via a crown, offering precise control and a power reserve of approximately 40-45 hours.
Jewels and Finish: Typically features 17-19 jewels, with options for elevated polishing in higher grades; uses Glucydur balance and early shock protection like Incabloc.
Regulation: Etachron system for fine adjustments, achieving daily accuracy of -10/+20 seconds in standard grades.
Size and Compatibility: Compact at 25.6mm diameter, height around 2.8mm (H280 variant), ideal for slim dress watches.
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Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
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