EB-Bettlach 8486 Watch Spare Parts: Comprehensive Guide for Collectors and Watchmakers
The EB-Bettlach 8486 is a distinguished Swiss manual wind watch movement featuring a pin lever escapement, noted particularly for its reliability and innovative construction. This calibre, part of the EB 8400 series, measures about 10½ lignes (23.7 mm) and was produced primarily in the mid-20th century. A unique highlight of the 8486 is its use of a synthetic finger jewel and Novodiac shock protection system, enhancing both the movement’s accuracy and durability. These characteristics make the EB-Bettlach 8486 highly prized among vintage watch collectors and professional horologists.
Key Technical Specifications
Calibre: EB-Bettlach 8486
Type: Manual wind, pin lever escapement
Size: Approximately 10½ lignes (23.7 mm)
Vibrations per hour: 18,000 A/h
Jewels: 1 synthetic finger jewel
Shock Protection: Novodiac system
Lift Angle: 60°
Functions: Hours, minutes, central seconds
Era: Mid-20th century
Common Spare Parts
Balance Assembly & Staff: Designed for precision oscillations with synthetic finger jewel integration
Mainspring & Barrel: Provides steady power for reliable operation
Winding Stem & Crown: Typically split winding stems crafted specifically for the EB 8486
Gear Train Components: Includes center, third, fourth, and escape wheels for seamless power transmission
Pallet Fork & Escape Wheel: Core escapement components ensuring accurate time regulation
Jewels & Bearings: Jewels and bushings reduce friction and wear across pivot points
Hands & Dial Components: Sized for traditional dial layouts with central seconds
Case Screws & Clamps: Secure the movement firmly within the case
Maintenance and Sourcing Tips
Always verify the “8486” calibre marking for accurate parts compatibility
Source New Old Stock (NOS) or genuine EB parts from trusted suppliers specializing in vintage watch components
Routine servicing recommended to maintain movement accuracy and longevity
Importance of Genuine Spare Parts
Guarantees reliable and precise timekeeping
Upholds historical authenticity and collector value
Facilitates quality restorations that extend movement lifespan
Using authentic EB-Bettlach 8486 spare parts is essential for preserving the function, heritage, and precision of these classic Swiss mechanical movements cherished worldwide.
For any Watch Spare Parts inquiry, Email us for rate and availability: [email protected]
Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
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