Certina 28-10 Watch Spare Parts: Detailed Overview for Collectors and Watchmakers
The Certina 28-10 is a Swiss manual winding movement introduced in the 1960s. Known for its reliability and precision, this calibre features 17 jewels, a sub-seconds complication, and operates at 19,800 vibrations per hour (vph). It has a power reserve of approximately 46 hours and a diameter of 28.4 mm with a height of 3.75 mm, making it a robust and compact movement favored in vintage Certina watches.
Key Technical Specifications
Movement Type: Manual winding mechanical
Calibre: Certina 28-10
Diameter: 28.4 mm (12.5 lignes)
Height: 3.75 mm
Jewels: 17 synthetic jewels
Beat Rate: 19,800 vibrations per hour (vph)
Power Reserve: Approximately 46 hours
Functions: Sub-second
Common Spare Parts
Mainspring: Precisely sized (1.40 x 11.5 x 0.125 – 360) for consistent power delivery.
Balance Assembly: Includes balance wheel, hairspring, staff, and regulator for accurate timekeeping.
Escape Wheel & Pallet Fork: Crucial parts for regulating movement and precision.
Gear Train Components: Center, third, and fourth wheels transmit power efficiently.
Setting and Winding Components: Stem, crown, clutch wheel, setting lever, and springs for reliable winding and setting.
Plates, Bridges & Screws: Provide structural support and stability.
Jewels: Synthetic rubies reduce friction and increase durability.
Hands & Dial Components: Authentic parts essential for vintage watch restoration.
Maintenance and Sourcing Tips
Verify the calibre “28-10” marking before ordering spare parts.
Prefer New Old Stock (NOS) or trusted donor parts for authentic restoration.
Handle delicate escapement and gear train components carefully during servicing.
Use lubricants designed specifically for vintage manual wind Swiss movements.
Specialist suppliers and vintage watch dealers stock various components for the 28-10 calibre.
Importance of Genuine Spare Parts
Maintains accuracy, reliability, and long-lasting performance.
Preserves the collector’s value and historical authenticity.
Supports professional restorations ensuring enduring watch function.
Using genuine parts helps your Certina 28-10 watch uphold its legacy of Swiss precision and craftsmanship.
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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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