


Bulova 11 AOAC Watch Spare Parts: Comprehensive Guide for Collectors and Watchmakers
The Bulova 11 AOAC is a Swiss automatic mechanical movement from the 1950s, celebrated for its reliability and classic design. With 17 or 23 jewels, a quickset date function, and a sweep seconds hand, this calibre offers robust performance with a frequency of 21,600 vibrations per hour. It measures 25.6 mm in diameter and supplies approximately 40 hours of power reserve, making it a durable and versatile choice for vintage automatic wristwatches.
Key Technical Specifications
Calibre: Bulova 11 AOAC
Movement Type: Automatic with sweep seconds and quickset date
Jewels: 17 or 23 synthetic rubies
Diameter: 25.6 mm
Frequency: 21,600 vph
Power Reserve: Approximately 40 hours
Era: 1950s
Country: Switzerland
Common Spare Parts
Rotor & Rotor Bearing: Drives the self-winding system
Balance Wheel & Staff: Controls precise oscillations for timekeeping
Mainspring & Barrel: Stores and releases energy smoothly
Escape Wheel & Pallet Fork: Regulate escapement and timing
Cannon Pinion & Hour/Minute Wheels: Drive the watch hands accurately
Winding Stem & Crown: Allow manual winding and date/time setting
Date Quickset Mechanism: Includes springs, levers, and correctors for date adjustment
Shock Absorbers: Protect sensitive components from shocks
Hands & Dial Components: Must fit original design for authenticity
Case Screws & Fasteners: Secure the movement within the watch case
Maintenance and Sourcing Tips
Verify “11 AOAC” marking for parts compatibility
Source NOS or authentic Bulova parts from trusted vintage suppliers
Use detailed exploded repair diagrams for correct installation
Professional watchmaker assistance is recommended for complex repairs
Importance of Genuine Spare Parts
Maintains watch’s accuracy, durability, and longevity
Preserves Bulova’s traditional craftsmanship and collector value
Enables reliable and high-quality restoration
True Bulova 11 AOAC spare parts are essential for preserving the heritage and functional excellence of these iconic vintage automatic watches beloved by collectors and horologists worldwide.
For any Watch Spare Parts inquiry, Email us for rate and availability: [email protected]
Watch Parts Enquiry
* If you are unable to fill out any of the required information fields, please type “N/A”.
Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
Mobile/WhatsApp: +91- 9841 360 340