Bulova 218 D Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The Bulova 218 D is an iconic early electric tuning fork movement first introduced in 1965, renowned for its innovation and precision. The movement operates at a frequency of 360 Hz, powered by a tuning fork vibrating 360 times per second, controlled electronically via a transistor circuit. The Accutron 218 D movement marked a significant advancement in watch technology, offering superior accuracy over mechanical counterparts.
Key Technical Specifications
Calibre: Bulova 218 D
Movement Type: Early electric tuning fork movement
Frequency: 360 Hz tuning fork vibrations
Jewels: 4 synthetic rubies
Dimensions: 29.7 mm diameter, 4.9 mm thickness
Production Start: 1965
Special Features: Index wheel with 320 teeth, transistorized regulation
Power Source: Battery powered
Common Spare Parts
Tuning Fork & Coil Assembly: Heart of the movement producing vibrations
Index Wheel: Small, finely toothed wheel converting vibrations to rotary motion
Pawl and Index Jewels: Synthetic rubies interacting with the index wheel for smooth motion transfer
Transistor & Circuit Components: Regulate electric impulses for stable tuning fork operation
Battery & Contacts: Provide and manage power delivery
Balance System: Enforces stable frequency and accurate timekeeping
Date Mechanism Parts: Variations include date and day functions in derived calibres
Hands & Dial Components: Maintain vintage visual aesthetics
Case Screws & Fasteners: Ensure secure housing of the movement
Maintenance and Sourcing Tips
Specialist care is required due to the delicate tuning fork and index mechanism
Handle the index wheel carefully, as it is fragile and easily damaged
Use authentic Bulova parts or certified New Old Stock for repairs
Experienced watchmakers familiar with Accutron tuning fork technology should perform servicing
Importance of Genuine Spare Parts
Maintain the precise and smooth operation of tuning fork movements
Preserve the movement’s historic value and technical uniqueness
Guarantee quality restorations safeguarding collector appreciation
Bulova 218 D spare parts are fundamental to keeping this groundbreaking electric tuning fork movement in optimal condition, ensuring continued reliability and preserving a milestone in horological history.
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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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