Certina 17-25 Watch Spare Parts: A Practical Guide for Collectors and Watchmakers
The Certina 17-25 is a classic Swiss manual-wind watch movement, renowned for its mid-century engineering, reliability, and collectibility. Frequently used around 1965, this calibre is highly valued for vintage restorations. Knowing how to source and identify genuine spare parts is key to preserving its longevity and authentic Swiss performance.
Key Technical Specifications
Movement Type: Manual wind, mechanical
Size: 7.75 lignes (approx. 17.2 mm diameter)
Height: 3.7 mm
Jewels: 17 synthetic jewels
Beat Rate: 19,800 vibrations per hour (vph)
Power Reserve: 44 hours
Functions: Sweep seconds, Incabloc shock protection
Common Spare Parts
Mainspring: Various specifications available (e.g., 1.40 x 0.06 x 220 mm), essential for consistent power.
Balance Assembly: Complete balance wheel, staff, hairspring, and regulator for timekeeping stability.
Gear Train Components: Barrel and cap, barrel arbor, center, third, and fourth wheels for energy transfer.
Escape Wheel & Pallet Fork: Core escapement parts, ensure precise movement.
Setting and Winding Mechanism: Stem (tap 10), crown, set lever, clutch wheel, and associated springs.
Hands & Dial Parts: Vintage-compatible, correct sizing (e.g., hands 1.30 x 0.80 x 0.18 mm).
Plates, Bridges & Screws: Critical support and assembly elements.
Shock Protection Parts: Incabloc/KIF shock springs and cap jewels for balance stability.
Other Key Parts: Click, click spring, cannon pinion, hour wheel, set wheel, guard pin.
Maintenance & Sourcing Tips
Verify the exact calibre “17-25” marking to avoid ordering the wrong parts.
Search for New Old Stock (NOS) or original donor movements for best authenticity and fit.
Handle escapement, balance, and shock protection components delicately during assembly.
Use watchmakers’ lubricants appropriate to vintage movements to avoid damage.
Major vintage watch parts suppliers and specialists stock most components.
Why Genuine Parts Matter
Maintains accuracy, reliability, and longevity of your Certina 17-25.
Preserves the collectible value and historical integrity of vintage Swiss models.
Ensures sustainable and professional restoration results.
Proper spare part sourcing for the Certina 17-25 keeps your watch ticking true to its Swiss legacy.
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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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