EB-Bettlach 8485 Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The EB-Bettlach 8485 is a Swiss manual wind watch movement, recognized for its robust construction and reliable pin lever escapement. It belongs to the EB 8400 series and measures approximately 12 lignes (around 27 mm). Produced primarily during the mid-20th century, this calibre’s dependable performance and straightforward design make it a favorite among vintage watch collectors and repair professionals. Authentic spare parts are vital for maintaining the movement’s accuracy and prolonging its lifespan.
Key Technical Specifications
Calibre: EB-Bettlach 8485
Type: Manual wind, pin lever escapement
Size: Approx. 12 lignes (27 mm)
Era: Mid-20th century
Functions: Hours, minutes, sweep seconds
Lift Angle: 60°
Common Spare Parts
Balance Assembly & Staff: Crucial for stable oscillations and precise timekeeping
Mainspring & Barrel: Provides consistent energy for smooth movement operation
Winding Stem & Crown: Tailored for EB 8485; usually split winding stems for seamless winding and setting
Gear Train Components: Center, third, fourth, and escape wheels enabling efficient power transfer
Pallet Fork & Escape Wheel: Core escapement parts responsible for regulating timing accuracy
Jewels & Bearings: Synthetic ruby jewels reduce friction and wear at vital pivot points
Hands & Dial Components: Sized to fit vintage dial designs featuring sweep seconds
Case Screws & Clamps: Secure the movement tightly inside the watch case
Maintenance and Sourcing Tips
Verify “8485” calibre marking to ensure correct parts compatibility
Prefer sourcing New Old Stock (NOS) or genuine EB Bettlach parts from reputable suppliers
Regular servicing recommended to maintain precision and extend the movement’s service life
Importance of Genuine Spare Parts
Ensures reliable and accurate timekeeping performance
Preserves the historical and collector value of the watch
Supports quality restoration efforts for enduring durability
Using authentic EB-Bettlach 8485 spare parts is fundamental to maintaining the function, reliability, and legacy of these classic Swiss mechanical movements treasured by collectors and watchmakers worldwide.
For any Watch Spare Parts inquiry, Email us for rate and availability: [email protected]
Watch Parts Enquiry
* If you are unable to fill out any of the required information fields, please type “N/A”.
Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
Mobile/WhatsApp: +91- 9841 360 340