Certina 25-35 Watch Spare Parts: Essential Overview for Collectors and Watchmakers
The Certina 25-35 is a Swiss manual winding movement known for its precision and reliability. Popular during the mid-20th century, it features robust construction and quality craftsmanship, making it a favorite for vintage watch collectors and professionals.
Key Technical Specifications
Movement Type: Manual winding mechanical
Calibre: Certina 25-35
Size: 11.5 lignes (approx. 25.6 mm diameter)
Height: Approximately 4.2 mm
Jewels: 17 synthetic jewels
Beat Rate: 19,800 vibrations per hour (vph)
Power Reserve: About 43 hours
Functions: Hours, minutes, sweep seconds
Common Spare Parts
Mainspring: Essential to power the movement, precise sizing is important for optimal function.
Balance Assembly: Includes balance wheel, hairspring, staff, and regulator for accurate timing.
Escapement Components: Escape wheel and pallet fork ensure smooth regulation.
Gear Train Components: Center, third, and fourth wheels for reliable power transmission.
Setting and Winding Parts: Stem, crown, clutch wheel, setting lever, and springs for winding and time-setting.
Plates, Bridges & Screws: Provide structural support and component stability.
Jewels: Synthetic rubies reduce friction and wear on moving parts.
Hands & Dial Components: Vintage-compatible parts that retain original aesthetic.
Maintenance and Sourcing Tips
Verify the calibre “25-35” marking for appropriate spare parts.
Prefer New Old Stock (NOS) or trusted donor parts for authenticity.
Handle delicate escapement and gear train parts carefully during servicing.
Use lubricants suited for vintage manual winding Swiss movements.
Specialist suppliers and dealers stock numerous parts for this calibre.
Importance of Genuine Spare Parts
Maintains accuracy, reliability, and durability of the movement.
Preserves the collector’s value and historical authenticity.
Supports professional restoration ensuring long-lasting function.
Using genuine parts keeps your Certina 25-35 running with consistent Swiss precision.
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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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