Bulova 11 BL Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The Bulova 11 BL is a classic manual wind watch movement produced during the late 1960s to early 1970s. It features 17 jewels, a 26 mm diameter, and offers reliable precision with a power reserve of approximately 50 hours. Known for its sweep seconds and calendar functions including date setting via the hours 21:30 to 24:00, the 11 BL is prized for its mechanical robustness and vintage appeal.
Key Technical Specifications
Calibre: Bulova 11 BL
Movement Type: Manual wind with sweep second and date calendar
Jewels: 17 synthetic rubies
Diameter: 26 mm
Frequency: 18,000 vibrations per hour
Power Reserve: Approximately 50 hours
Era: Circa 1967–1972
Functions: Hours, minutes, sweep seconds, date change
Common Spare Parts
Balance Assembly & Staff: Critical for accurate timekeeping
Mainspring & Barrel: Stores and releases energy steadily
Escape Wheel & Pallet Fork: Controls escapement function
Cannon Pinion & Hour/Minute Wheels: Drive watch hands smoothly
Winding Stem & Crown: Allow manual winding and precise setting
Calendar Mechanism Components: Drive date function and quickset
Shock Absorbers: Protect sensitive internal components from shocks
Hands & Dial Assemblies: Must suit original specifications for restoration authenticity
Case Screws & Fasteners: Secure the movement inside its case
Maintenance and Sourcing Tips
Confirm “11 BL” marking and jewel count before sourcing parts
Prefer NOS or genuine Bulova parts from authorized vintage watch dealers
Refer to exploded technical guides for proper part identification
Employ expert watchmakers for precise repairs and servicing
Importance of Genuine Spare Parts
Maintains movement accuracy and longevity
Preserves the watch’s vintage craftsmanship and value
Ensures dependable and authentic restoration
Using genuine Bulova 11 BL spare parts is vital for maintaining the mechanical integrity, reliability, and collectible value of these esteemed vintage manual-winding watches cherished by 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