Certina 20-10 Watch Spare Parts: A Practical Guide for Collectors and Watchmakers
The Certina 20-10 is a classic Swiss mechanical watch movement, known for its reliability and precision craftsmanship. This manual winding calibre is distinguished by its compact size and robust construction, widely used in mid-20th-century timepieces.
Key Technical Specifications
Movement Type: Manual winding mechanical
Calibre: Certina 20-10
Size: Compact, typically small-sized for classic watch cases
Jewels: 17 synthetic jewels
Beat Rate: 19,800 vibrations per hour (vph)
Power Reserve: Approximate 43 hours
Functions: Hours, minutes, subsidiary seconds
Common Spare Parts
Mainspring: Vital for powering the movement; specific sizes are necessary for perfect fit.
Balance Assembly: Balance wheel, hairspring, staff, and regulator ensuring precise timekeeping.
Escape Wheel & Pallet Fork: Critical parts regulating motion and stability.
Gear Train Components: Center, third, and escape wheels for power transfer.
Setting and Winding Parts: Stem, crown, winding pinion, setting lever, and springs for smooth manual operation.
Plates, Bridges & Screws: Provide mechanical support and secure assembly.
Jewels: Synthetic rubies that reduce friction and wear.
Hands and Dial Parts: Vintage compatible to maintain authentic restoration.
Maintenance and Sourcing Tips
Ensure Calibre “20-10” marking is confirmed before ordering parts.
Preferred parts are New Old Stock (NOS) or sourced from reputable vintage watch suppliers.
Handle delicate escapement and setting parts carefully during repair.
Use lubricants suitable for manual wind vintage movements.
Specialist parts dealers and watchmakers typically carry components for the 20-10 calibre.
Importance of Genuine Spare Parts
Maintains accuracy, longevity, and smooth functioning.
Preserves the historical authenticity and collector’s value.
Supports quality restorations ensuring reliable watch performance.
Using genuine parts is key to maintaining your Certina 20-10 in top working condition with true Swiss craftsmanship.
You can confirm the order by making a PayPal payment. My account email address is [email protected]
Watch Parts Enquiry
* If you are unable to fill out any of the required information fields, please type “N/A”.
Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
Mobile/WhatsApp: +91- 9841 360 340