Certina 15-21 Watch Spare Parts: A Comprehensive Overview
The Certina 15-21 is a finely crafted Swiss mechanical movement, manual winding, well-known for its precision and robustness. It was designed primarily for mid-20th-century wristwatches and remains popular today among vintage watch collectors and repair professionals. Proper sourcing of genuine spare parts is critical for maintaining its reliability and value.
Key Technical Specifications
Movement Type: Manual winding mechanical
Calibre: Certina 15-21
Size: Approximately 15.3 mm (6.75 lignes) diameter
Jewels: 32 synthetic jewels
Beat Rate: 21,600 vibrations per hour (vph)
Power Reserve: Approximately 39 hours
Lift Angle: 51 degrees
Height: Around 0.9 mm mounting height
Features: Robust construction with high jewel count enhances durability and precision
Common Spare Parts Required
Mainspring: Critical for powering the movement; ensure compatibility with calibre 15-21.
Balance Assembly: Comprising balance wheel, staff, hairspring, and regulator; essential for precise timekeeping.
Escape Wheel and Pallet Fork: Key escapement components for smooth mechanical operation.
Gear Train Components: Center, third, and fourth wheels facilitate efficient power transmission.
Setting and Winding Parts: Stems, crowns, levers, and springs critical for manual winding and time setting.
Jewels: Synthetic ruby bearings replace worn pivots to reduce friction and wear.
Plates, Bridges, Screws: Provide structural integrity for the movement assembly.
Hands and Dial Components: Vintage-style replacements maintain authenticity.
Maintenance and Sourcing Tips
Confirm the calibre “15-21” marking to avoid ordering incorrect parts.
Opt for New Old Stock (NOS) or quality donor movements to guarantee proper fit and function.
Handle delicate balance and escapement parts with care during repairs.
Use appropriate lubricants made for vintage movements, avoiding excess oil.
Seek reputable suppliers specializing in vintage Certina watch parts for authentic spares.
Importance of Genuine Spare Parts
Ensures consistent accuracy, longevity, and reliable mechanical performance.
Preserves the collector value and historical authenticity of your Certina watch.
Supports professional restoration ensuring sustained use.
Using genuine spare parts for your Certina 15-21 preserves its precision and Swiss watchmaking heritage.
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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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