The ETA 2650 is a compact automatic mechanical watch movement renowned for its reliability in ladies’ timepieces. Produced by ETA SA Manufacture Horlogère Suisse, it exemplifies Swiss precision engineering with a small footprint ideal for slim cases.
Key Specifications
Size: 7 3/4 lignes (17.2 mm diameter), 4.3 mm thick, with overall height to hand pinion at 6.0 mm.
Jewels: 17, reducing friction for smooth operation.
Beat rate: 21,600 vibrations per hour (3 Hz), ensuring accurate timekeeping.
Lift angle: 53 degrees.
Power reserve: Approximately 30-40 hours.
Design and Features
This self-winding caliber uses a pallet lever escapement and nickel annular balance for stability. It supports hour, minute, and sweep seconds hands (requiring 1.35 mm hour, 0.85 mm minute, 0.25 mm second pins), with a Tap 10 stem. Skeletonized variants like the 2650-S reveal intricate gears, appealing to enthusiasts. Primarily manual-wind capable with automatic winding via a bi-directional rotor, it suits vintage-inspired women’s 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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