Certina 25-36 Watch Spare Parts: Detailed Overview for Collectors and Watchmakers
The Certina 25-36 is a Swiss manual winding mechanical movement widely appreciated for its precision, reliability, and classic design. It was predominantly used around the 1960s and remains a preferred calibre for vintage Certina watch restorers and enthusiasts.
Key Technical Specifications
Movement Type: Manual winding mechanical
Calibre: Certina 25-36
Size: 11.5 lignes (approximately 25.6 mm diameter)
Height: About 4.2 mm
Jewels: 17 synthetic jewels
Beat Rate: 19,800 vibrations per hour (vph)
Power Reserve: Approximately 43 hours
Functions: Sweep seconds, with a cam switching chronograph function (60-second and 30-minute register)
Common Spare Parts
Mainspring: Essential for powering the movement; accurate dimensions necessary for smooth functioning.
Balance Assembly: Balance wheel, hairspring, staff, and regulator ensure precise timekeeping.
Escapement Components: Escape wheel and pallet fork for smooth and reliable movement regulation.
Gear Train Parts: Center, third, and fourth wheels enable efficient power transfer.
Setting and Winding Components: Stem, crown, clutch wheel, setting lever, and springs for manual control and winding.
Chronograph Parts: Cam switching mechanism, chronograph levers, and registers for stopwatch functions.
Plates, Bridges & Screws: Provide structural integrity and secure component assembly.
Jewels: Synthetic ruby bearings reduce wear and friction.
Hands and Dial Parts: Vintage-compatible for authentic restoration.
Maintenance and Sourcing Tips
Verify the calibre “25-36” marking before ordering spare parts.
Choose New Old Stock (NOS) or trusted donor parts for quality and compatibility.
Handle delicate escapement and chronograph components carefully.
Use lubricants suitable for vintage manual winding chronograph movements.
Specialist suppliers and vintage watch dealers stock these parts regularly.
Importance of Genuine Spare Parts
Maintains accuracy, longevity, and reliable performance.
Preserves the historical authenticity and collector’s value.
Supports professional restoration ensuring the watch’s functional and aesthetic longevity.
Genuine parts help keep your Certina 25-36 movement running with authentic Swiss precision and durability.
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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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