



EB-Bettlach 8827 Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The EB-Bettlach 8827 is a respected Swiss manual wind watch movement, part of the EB 8800 series known for its robust construction and reliable performance. This calibre typically measures 12 lignes (approximately 27 mm) and operates at 18,000 vibrations per hour. It usually contains between 17 and 21 synthetic ruby jewels and features a pin lever escapement. The 8827 calibre is distinguished by its sweep seconds and date complication, making it a sought-after movement for vintage watch restoration and repair.
Key Technical Specifications
Calibre: EB-Bettlach 8827
Movement Type: Manual wind, pin lever escapement
Size: 12 lignes (≈27 mm)
Frequency: 18,000 vibrations per hour
Jewels: 17 to 21 synthetic rubies
Functions: Sweep seconds, date complication
Shock Protection: Commonly KIF or equivalent systems
Era: Mid to late 1960s
Common Spare Parts
Balance Assembly & Staff: Maintains stable oscillation and precise timing
Mainspring & Barrel: Core power source providing consistent energy
Center, Third, Fourth & Sweep Second Wheels: Facilitate power transmission and seconds hand movement
Date Mechanism Components: Include date wheel, jumper, and setting levers for accurate date change
Cannon Pinion & Hour/Minute Wheels: Drive the watch hands for time display
Escape Wheel & Pallet Fork: Critical components that regulate the escapement and timing accuracy
Winding Stem & Crown: Essential for manual winding and time-setting functions
Click, Ratchet, Crown Wheels & Springs: Support safe and efficient winding operations
Hands & Dial Components: Compatible with vintage dials featuring sweep seconds and date displays
Case Screws & Fasteners: Secure the movement firmly inside the watch case
Maintenance and Sourcing Tips
Verify “8827” calibre marking on parts for ensured compatibility
Source New Old Stock (NOS) or genuine EB Bettlach spare parts from reputable vintage suppliers
Pillar construction design eases part replacement but requires accurate fitting
Specialist dealers in vintage watch parts provide the best sources for authentic components
Importance of Genuine Spare Parts
Guarantees accurate and reliable timekeeping
Preserves the movement’s original authenticity and collector appeal
Supports durable restoration and enhanced movement longevity
Using authentic EB-Bettlach 8827 spare parts is vital for maintaining the precision, reliability, and historical value of this classic Swiss mechanical calibre treasured worldwide by watchmakers and collectors alike.
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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