



EB-Bettlach 8484 Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The EB-Bettlach 8484 is a manual wind Swiss mechanical watch movement, part of the reputable EB 8400 series, known for its robust pin lever escapement and precision. It measures approximately 10½ lignes (23.7 mm) in diameter and is prized among vintage watch enthusiasts for its reliable construction and ease of maintenance. Manufactured mainly in the mid-20th century, it is commonly found in classic wristwatches, with authentic spare parts critical for ensuring long-term functionality.
Key Technical Specifications
Calibre: EB-Bettlach 8484
Type: Manual wind, pin lever escapement
Size: Approx. 10½ lignes (23.7 mm)
Era: Mid-20th century
Functions: Hours, minutes, central seconds
Frequency: 18,000 vibrations per hour (vph)
Lift Angle: 60°
Common Spare Parts
Balance Assembly & Staff: Essential for precise oscillations and accurate time regulation
Mainspring & Barrel: Provides reliable power for consistent movement operation
Winding Stem & Crown: Specifically designed for EB 8484; often split stem type
Gear Train Components: Center, third, fourth, and escape wheels ensuring smooth power transmission
Pallet Fork & Escape Wheel: Core components of the escapement mechanism for time precision
Jewels & Bearings: Synthetic ruby jewels reduce friction and wear on pivot points
Hands & Dial Components: Sized to fit vintage-style dials with central seconds
Case Screws & Clamps: Securely mount the movement inside the watch case
Maintenance and Sourcing Tips
Verify calibre “8484” marking to ensure correct part compatibility
Source from trusted suppliers offering New Old Stock (NOS) or genuine EB parts
Regular servicing advised to maintain accuracy and prolong the movement’s lifespan
Importance of Genuine Spare Parts
Maintains precise and reliable timekeeping
Upholds historical authenticity and collector value
Supports quality restoration and long-term wearability
Using authentic EB-Bettlach 8484 spare parts is crucial for preserving the heritage and performance of these classic Swiss mechanical watch movements treasured by collectors and watchmakers 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]
Mobile/WhatsApp: +91- 9841 360 340