The ETA 2751 is a manual-wind mechanical watch movement from the renowned ETA 2750 family, prized by collectors for its reliability and compact design.
Overview
Produced from around 1969 to 1982, the ETA 2751 measures 11.5 lignes (about 25.6 mm in diameter) and beats at 21,600 vibrations per hour, offering a power reserve of roughly 42 hours. This hand-winding caliber features Swiss lever escapement with direct-sweeping seconds but lacks hacking seconds, a common trait in vintage movements of its era. Over 6 million units from the 2750 series were made, highlighting ETA’s mass-production prowess during Swiss watchmaking’s quartz crisis transition.
Key Specifications
Size and Jewels: 11½”’ ligne, typically 17 jewels for smooth operation.
Functions: Time-only (hours, minutes, sweeping seconds).
Beat Rate: 21,600 bph (3 Hz), balancing precision and longevity.
Winding: Manual via crown; no automatic rotor.
Finishes: Often Geneva-striped bridges, blued screws for aesthetic appeal.
Historical Context
Part of ETA’s evolution from the 2500/2600 families to the modern 2800 series, the 2751 shared components like the cannon pinion and minute wheels, aiding serviceability. Used in mid-range Swiss watches from brands like Omega and Tissot precursors, it powered affordable mechanical timepieces amid industry shifts. Production ceased as automatics like the ETA 2771 gained favor, but its durability endures in vintage restorations.
Collectibility and Maintenance
Today, ETA 2751 movements fetch value in the secondary market due to scarcity and interchangeable parts within the family. Spare parts remain available via specialists, though cap jewels and springs require careful sourcing. Servicing involves standard demagnetization and lubrication for optimal performance, making it ideal for horology enthusiasts restoring 1970s classics.
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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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