The ETA 2658 is a reliable automatic mechanical watch movement from the ETA 2600 series, known for its slim profile and precision in mid-range timepieces. Produced by ETA SA Manufacture Horlogère Suisse, it powers numerous vintage and contemporary watches with consistent performance.
Key Specifications
Diameter: 17.2 mm (11.5 lignes), ideal for smaller cases.
Height: Approximately 5.35 mm, enabling thin designs.
Jewels: 25, reducing friction for longevity.
Frequency: 28,800 vph (4 Hz), ensuring smooth seconds hand sweep.
Power Reserve: Around 38 hours when fully wound.
Features and Functions
This self-winding caliber includes a bidirectional rotor for efficient winding via daily wear. It supports central hours, minutes, and sweeping seconds, often with a date window. Equipped with Incabloc shock protection and Etachron regulator, it maintains accuracy under stress. Hand-winding is possible clockwise, adding versatility.
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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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