Bulova 5 BD Watch Spare Parts: Essential Guide for Collectors and Technicians
The Bulova 5 BD is a finely engineered ladies’ manual wind movement, introduced around 1970. Noted for its high jewel count of 23 jewels and compact dimensions (about 5.75 x 6.75 lignes or 13 x 15.2 mm), it features a Glucydur balance, KIF Ultraflex shock protection, and runs at a frequency of 21,600 vibrations per hour. Designed for thin cases, this calibre impresses with glossy golden finishes and sophisticated mechanics, making original parts crucial for restoration and performance.
Key Technical Specifications
Calibre: Bulova 5 BD
Movement Type: Manual wind, sub-second
Size: 5.75 x 6.75 lignes (13 x 15.2 mm)
Jewels: 23 synthetic rubies
Frequency: 21,600 vibrations per hour
Lift Angle: 48°
Balance: Glucydur, KIF Ultraflex protection
Era: Circa 1970
Common Spare Parts
Balance Assembly & Staff: Core for stable oscillation and precise timekeeping
Mainspring & Barrel: Primary power source for the gear train
Center, Third, Fourth Wheels: Key gears for continual energy flow
Escape Wheel & Pallet Fork: Ensures movement accuracy and reliability
Cannon Pinion & Hour/Minute Wheels: Drives hands for time display
Winding Stem & Crown: Supports winding and setting functions
Click, Ratchet, Crown Wheels & Springs: Maintains secure winding and efficient operation
Case Screws & Fasteners: Safeguards movement placement in case
Hands & Dial Components: Must match Bulova’s precision finish and dimensions
Maintenance and Sourcing Tips
Always verify “5 BD” stamping on parts for compatibility
Seek NOS or genuine parts from specialized vintage watch suppliers
The small, delicate main plate requires careful handling during repairs
opt for restoration experts or reputable dealers for special pieces like jewel chatons and balance parts
Importance of Genuine Spare Parts
Maintain original accuracy and reliability
Preserve Bulova’s characteristic golden finishes and mechanical quality
Support high-value, long-term restorations for collectors and users
Using authentic Bulova 5 BD spare parts ensures continued precision and enhances the historic and collector value of these elegant Swiss movements.
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