


Bulova 11 BSACB Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The Bulova 11 BSACB is a reliable automatic mechanical watch movement widely appreciated for its durability and precision. Equipped with 17 jewels, this calibre typically operates at 21,600 vibrations per hour and provides a power reserve of approximately 40 hours. It features a day-date quickset function, making it a versatile movement used in various Bulova models from the 1970s period.
Key Technical Specifications
Calibre: Bulova 11 BSACB
Movement Type: Automatic with day-date quickset
Jewels: 17 synthetic rubies
Frequency: 21,600 vibrations per hour
Power Reserve: Approximately 40 hours
Era: Circa 1970s
Case Size (typical): 39.5 mm (excluding crown)
Common Spare Parts
Rotor & Rotor Bearing: Powers the automatic winding mechanism
Balance Wheel & Staff: Regulates oscillations for accurate timekeeping
Mainspring & Barrel: Stores and delivers power consistently
Escape Wheel & Pallet Fork: Control the escapement precision
Day-Date Mechanism Components: Levers, springs, and correctors for the quickset function
Winding Stem & Crown: Enable manual winding and adjustment
Shock Absorbers: Protect delicate internal components from damage
Hands & Dial Assemblies: Maintain original vintage aesthetics
Case Screws & Fasteners: Secure movement firmly inside the watch case
Maintenance and Sourcing Tips
Verify “11 BSACB” markings for authentic part sourcing
Obtain New Old Stock (NOS) or genuine Bulova parts from reputable suppliers
Use exploded movement diagrams for accurate repairs
Professional watchmaker experience recommended for servicing and restoration
Importance of Genuine Spare Parts
Maintains movement accuracy and longevity
Preserves vintage Bulova craftsmanship and collector value
Supports high-quality, reliable watch restorations
Bulova 11 BSACB spare parts are vital for maintaining the function, reliability, and vintage appeal of these admired automatic watches cherished by horology enthusiasts 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]
Mobile/WhatsApp: +91- 9841 360 340