Bulova 11 BLC Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The Bulova 11 BLC is a vintage manual wind mechanical watch movement launched around 1969. It features 17 jewels, a 26 mm diameter, and delivers a reliable power reserve of approximately 50 hours. Operating at 18,000 vibrations per hour, this calibre includes a sweep seconds hand and date calendar function with date change occurring between 21:30 and 24:00, making it a durable and precise choice for vintage Bulova watches.
Key Technical Specifications
Calibre: Bulova 11 BLC
Movement Type: Manual wind with sweep seconds and date function
Jewels: 17 synthetic rubies
Diameter: 26 mm
Frequency: 18,000 vibrations per hour
Power Reserve: About 50 hours
Era: Late 1960s to early 1970s
Common Spare Parts
Balance Assembly & Staff: Ensures accurate timekeeping through precise oscillations
Mainspring & Barrel: Stores and transmits consistent energy
Escape Wheel & Pallet Fork: Regulate the escapement and timing
Cannon Pinion & Hour/Minute Wheels: Drive the watch hands smoothly
Winding Stem & Crown: Allow manual winding and adjustment of time/date
Calendar Mechanism Components: Include levers, springs, and intermediate wheels vital for date change
Shock Absorbers: Protect internal components from shocks and impacts
Hands & Dial Assemblies: Preserve vintage authenticity with original design
Case Screws & Fasteners: Secure movement within the watch case
Maintenance and Sourcing Tips
Confirm “11 BLC” marking and jewel count for authentic parts
Source New Old Stock (NOS) or genuine Bulova parts from reputable suppliers
Use exploded technical diagrams for precise repairs and part replacement
Professional watchmaker expertise is recommended for complex servicing
Importance of Genuine Spare Parts
Ensures movement accuracy and longevity
Maintains craftsmanship and collector value of vintage Bulova watches
Supports high-quality, reliable restorations
Using genuine Bulova 11 BLC spare parts is essential for preserving the mechanical integrity, reliability, and vintage appeal of these cherished manual-wind watches treasured 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