Bulova 218 S Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The Bulova 218 S is a legendary early electric tuning fork movement introduced in the 1960s. It operates at a high frequency of 360 Hz, powered by a vibrating tuning fork. This movement revolutionized watch accuracy, outperforming mechanical successors due to its transistor-controlled tuning fork oscillations. The 218 S movement is notable for its 29.7 mm diameter and slim 4.9 mm thickness, marking it as a technical milestone in watchmaking.
Key Technical Specifications
Calibre: Bulova 218 S
Movement Type: Early electric tuning fork with transistor control
Frequency: 360 Hz tuning fork vibrations
Jewels: 4 synthetic rubies
Dimension: 29.7 mm diameter, 4.9 mm thickness
Production: 1960s
Power Source: Battery-powered electronic control
Common Spare Parts
Tuning Fork & Coil Assembly: Generates vibrations to drive the movement
Index Wheel: Tiny 320-teeth wheel converting vibrations into rotary motion
Pawl and Index Jewels: Allow precise interaction with the index wheel
Transistor & Electronic Circuit Components: Regulate vibrations and timekeeping accuracy
Battery & Contacts: Supply power and maintain electric flow
Balance System: Stabilizes frequency for consistent timekeeping
Date Mechanism Parts: Various levers and wheels controlling calendar functions
Hands & Dial Components: Preserve the vintage aesthetic and user interface
Case Screws & Fasteners: Secure the movement inside the watch case
Maintenance and Sourcing Tips
Requires specialized professional servicing due to tuning fork delicacy
Handle index wheel with care; it is prone to damage
Source genuine or certified New Old Stock parts for authenticity
Only experienced watchmakers with tuning fork expertise should service
Importance of Genuine Spare Parts
Guarantee precision and smooth operation of tuning fork movements
Preserve the unique historical and technical significance
Ensure reliable restorations that retain collector value
Bulova 218 S spare parts are instrumental for keeping this pioneering electric tuning fork movement fully functional, preserving a key chapter in horological innovation cherished by collectors today.
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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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