EB-Bettlach 8511.76 Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The EB-Bettlach 8511.76 is a respected Swiss manual wind watch movement introduced in the mid-1970s, part of the well-regarded EB 8500 series. Operating at a frequency of 21,600 vibrations per hour, this calibre is equipped with 17 synthetic ruby jewels and incorporates Novodiac shock protection, highlighting its precision and durability. The movement features a pin lever escapement and riveted bridges in a pillar plate construction, marking it as a robust and collectible mechanical movement. Authentic spare parts are vital for maintaining its optimal functionality and value.
Key Technical Specifications
Calibre: EB-Bettlach 8511.76
Movement Type: Manual wind, pin lever escapement
Size: 11.5 lignes (approximately 26.4 mm)
Frequency: 21,600 vibrations per hour
Jewels: 17 synthetic rubies
Shock Protection: Novodiac
Lift Angle: 45°
Era: Mid-1970s
Common Spare Parts
Balance Assembly & Shock Absorber: Ensures stable oscillation and protects against shocks
Mainspring & Barrel: Provides consistent power to the movement
Winding Stem & Crown: Custom split stems designed for pillar plate construction
Ratchet Wheel & Click: Critical for smooth winding operation
Gear Train Components: Center, third, fourth, and escape wheels optimized for accurate power transmission
Hands & Dial Components: Compatible with vintage dials featuring sweep seconds and calendar functions
Case Screws & Fasteners: Secure the movement firmly inside the case
Maintenance and Sourcing Tips
Confirm “8511.76” calibre marking before purchasing parts to ensure compatibility
Prefer New Old Stock (NOS) or genuine EB Bettlach components from specialized, reputable suppliers
The riveted pillar plate construction limits traditional repairs, making genuine part replacement crucial
Reliable vintage watch parts dealers provide authentic, high-quality spares
Importance of Genuine Spare Parts
Guarantees accurate and reliable timekeeping
Helps maintain the movement’s original authenticity and collector value
Supports durable restoration and prolongs movement life
Using authentic EB-Bettlach 8511.76 spare parts is essential for preserving the precision, reliability, and heritage of this classic Swiss mechanical calibre 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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