EB-Bettlach 8804 Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The EB-Bettlach 8804 is a Swiss manual wind watch movement from the renowned EB 8800 series, widely used in the mid-1970s. This calibre measures 12 lignes (approximately 27 mm) and operates at 18,000 vibrations per hour. It is available in versions with 1, 17, or 21 synthetic ruby jewels and often incorporates the KIF Protechoc shock protection system. Known for its sturdy pillar plate construction and pin lever escapement, the EB-Bettlach 8804 is prized for its reliability and longevity, making authentic spare parts essential for restoration and maintenance.
Key Technical Specifications
Calibre: EB-Bettlach 8804
Type: Manual wind, pin lever escapement
Size: 12 lignes (~27 mm)
Frequency: 18,000 vibrations per hour
Jewels: 1, 17, or 21 jewels (variant dependent)
Shock Protection: KIF Protechoc system (common)
Lift Angle: 42°
Power Reserve: Approximately 36 hours
Era: Mid-1970s
Common Spare Parts
Barrel & Barrel Arbor: Primary power source of the movement
Center, Third, Fourth & Sweep Seconds Wheels: Facilitate power transmission and continuous seconds hand function
Cannon Pinion & Hour/Minute Wheels: Regulate and display the time
Escape Wheel & Pallet Fork: Critical components for time regulation and accuracy
Balance Assembly & Staff: Provides stable oscillation for precise timekeeping
Winding Stem & Crown: Essential for winding and setting functions
Click, Ratchet, Crown Wheels & Springs: Support secure and efficient winding mechanisms
Hands & Dial Components: Designed for vintage dials featuring sweep seconds
Case Screws & Fasteners: Secure the movement within the watch case
Maintenance and Sourcing Tips
Confirm “8804” calibre marking to ensure correct parts compatibility
Source New Old Stock (NOS) or genuine EB Bettlach parts from reputable vintage suppliers
Pillar construction facilitates part replacement but restricts complex repairs
Specialist dealers in vintage watch parts provide the best authenticity
Importance of Genuine Spare Parts
Guarantees reliable and precise timekeeping
Preserves the watch’s original authenticity and enhances collector value
Supports durable restorations and prolongs the movement’s lifespan
Utilizing authentic EB-Bettlach 8804 spare parts is critical for maintaining the functionality, accuracy, and heritage of this classic Swiss mechanical calibre cherished 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]
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