The ETA 2688 is a compact automatic watch movement from ETA’s 2600 family, designed primarily for ladies’ watches with day/date complications.
Overview
Introduced around 1985 and produced until about 2004, the ETA 2688 measures 8 3/4 lignes (19.40 mm diameter) with a height of 5.35 mm, making it ideal for slim cases. It features 17 jewels, a sweep seconds hand, and self-winding via a rotor. This movement beats at 21,600 vibrations per hour (3 Hz), offering a 38-hour power reserve when fully wound.
Key Specifications
Size and Build: 19.40 mm diameter, 5.35 mm thick, 17 jewels.
Functions: Central seconds, day at 9 o’clock, date at 3 o’clock (quick-set).
Frequency: 21,600 bph; power reserve ~38 hours.
Winding: Bidirectional automatic rotor; manual winding option.
Base Model: Derived from ETA 2681.
Usage and Compatibility
Common in brands like Oris (as Cal. 583), the 2688 suits vintage and smaller automatic timepieces. Parts remain available through specialists like Beco-Technic, supporting repairs. Its reliability stems from ETA’s robust engineering, though servicing every 5-7 years is recommended for optimal performance.
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Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
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