Bulova 12 ECACD Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The Bulova 12 ECACD is an advanced automatic watch movement notable for its precise micro-rotor mechanism, which allows for a slim design while maintaining excellent power reserve and reliability. This calibre features 17 to 30 jewels and operates at a frequency of 19,800 vibrations per hour, delivering around 54 hours of power reserve. The movement is highly regarded in vintage Bulova collections for its engineering finesse and durability.
Key Technical Specifications
Calibre: Bulova 12 ECACD
Movement Type: Automatic with micro-rotor
Jewels: 17 to 30 synthetic rubies
Diameter: 28.5 mm
Frequency: 19,800 vibrations per hour
Power Reserve: Approximately 54 hours
Era: Mid-1960s onward
Unique Features: Slim case profile due to micro-rotor design
Common Spare Parts
Micro-Rotor & Axle: Powers the automatic winding system with minimal thickness
Balance Wheel & Staff: Ensures controlled oscillations for accurate timekeeping
Mainspring & Barrel: Stores energy and distributes it evenly
Escape Wheel & Pallet Fork: Regulate escapement operation and timing
Date Mechanism Components: Levers, springs, and gears controlling date changes
Winding Stem & Crown: Allow manual winding and time/date adjustments
Shock Absorbers: Protect vital components from shock damage
Hands & Dial Assemblies: Preserve original aesthetic and function
Case Screws & Fasteners: Secure movement within the watch case
Maintenance and Sourcing Tips
Verify “12 ECACD” markings to ensure correct spare parts
Prefer New Old Stock (NOS) or genuine Bulova parts from trusted sources
Use exploded technical diagrams for precise repairs
Employ skilled watchmakers for complex servicing and restoration
Importance of Genuine Spare Parts
Maintain movement accuracy, longevity, and reliability
Preserve Bulova’s vintage craftsmanship and collector value
Ensure professional, dependable restorations
Utilizing genuine Bulova 12 ECACD spare parts is vital for maintaining the precision, longevity, and historical value of these elegant automatic micro-rotor watches cherished by collectors and watch enthusiasts globally.
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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]
Mobile/WhatsApp: +91- 9841 360 340