


The ETA 2425 is a compact automatic movement that has been widely used in smaller watches, particularly dress and ladies’ timepieces. This movement is known for its reliability and efficient design, making it a popular choice among watchmakers and collectors alike.
Key Specifications
Movement Type: Automatic
Size: 6.75 ligne (approx. 15.30 mm diameter)
Height: 4.95 mm
Frequency: 18,000 vibrations per hour (2.5 Hz)
Jewels: 17 or 21 jewels
Power Reserve: Approximately 35 hours
Complications: Typically date-only, though some variants may differ
Regulator Type: Pinned or index regulator
Features and Use
The ETA 2425 is part of a family that includes the 2410 and 2415 manual wind movements, all sharing the same 18,000 A/h frequency.
Its small size makes it ideal for watches with limited case space, especially vintage and classic designs.
The movement is generally robust and easy to service, contributing to its longevity in the watch industry.
It is often found in brands seeking reliable, cost-effective automatic movements for smaller watches.
Bulletin Points
Compact automatic movement designed for small watches.
Operates at 18,000 A/h, ensuring good timekeeping accuracy.
17/21 jewels and 35-hour power reserve.
Pinned or index regulator for fine-tuning.
Commonly used in dress and ladies’ watches.
The ETA 2425 remains a solid choice for watchmakers and collectors seeking a dependable, small automatic movement with proven reliability.
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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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