


EB-Bettlach 8155 Watch Spare Parts: Comprehensive Guide for Collectors and Watchmakers
The EB-Bettlach 8155 is a Swiss manual wind watch movement manufactured by Ebauches Bettlach. Esteemed for its reliability and craftsmanship, this calibre features 21 jewels and operates at 18,000 vibrations per hour (vph). It is approximately 12 lignes in size (about 27 mm) and has a power reserve around 37 hours. The movement is sought after by collectors and restorers, making authentic spare parts essential for preserving its precision and heritage.
Key Technical Specifications
Calibre: EB-Bettlach 8155
Type: Manual wind, Swiss lever escapement
Size: 12 lignes (27 mm)
Jewels: 21 synthetic rubies
Frequency: 18,000 vph
Power Reserve: Approximately 37 hours
Functions: Hours, minutes, sweep seconds
Era: Mid-20th century
Common Spare Parts
Balance Assembly & Staff: Vital for accurate oscillation and timekeeping precision
Mainspring & Barrel: Provides consistent energy for optimal power reserve
Setting Stem & Crown: Essential for winding and setting; correctly sized parts guarantee fit
Gear Train Wheels: Center, third, fourth, and escape wheels designed for reliable movement
Pallet Fork & Escape Wheel: Key lever escapement components for smooth functionality
Jewels & Bearings: Synthetic rubies reduce friction and wear at critical pivot points
Hands & Dial Accessories: Sized for compatibility with vintage Swiss watches
Case Screws & Clamps: Secure the movement firmly within the watch case
Maintenance and Sourcing Tips
Verify the 8155 calibre marking when sourcing parts to ensure compatibility
Use New Old Stock (NOS) or original EB parts from trusted vintage suppliers
Regular servicing advised to uphold performance and durability
Importance of Genuine Spare Parts
Ensures precise and reliable timekeeping
Preserves the historical and collector value of the watch
Supports high-quality restoration and long-term use
Using genuine EB-Bettlach 8155 spare parts is crucial for preserving the timeless quality and function of these admired Swiss mechanical movements.
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