Bulova 5 BA Watch Spare Parts: Essential Guide for Collectors and Technicians
The Bulova 5 BA is a vintage manual-wind watch movement, originating from the early 1970s. It features a compact tonneau-shaped design, typically measuring 5.75 x 6.75 lignes (13 x 15.2 mm) and operates at a frequency of 21,600 vibrations per hour. Noted for its robust construction, the calibre is fitted with 23 jewels and delivers a power reserve of approximately 43 hours. Sourcing original spare parts is critical for maintaining accuracy and longevity in restored Bulova 5 BA watches.
Key Technical Specifications
Calibre: Bulova 5 BA
Movement Type: Manual wind
Size: 5.75 x 6.75 lignes (13 x 15.2 mm)
Jewels: 23 synthetic rubies
Frequency: 21,600 vibrations per hour
Power Reserve: 43 hours
Era: ~1972
Common Spare Parts
Balance Assembly & Staff: Core component for precise oscillation and timekeeping
Mainspring & Barrel: Provides consistent energy for the gear train
Center, Third, Fourth Wheels: Enable effective power transmission
Escape Wheel & Pallet Fork: Regulate the accuracy and stability of the movement
Cannon Pinion & Hour/Minute Wheels: Drive the watch hands accurately
Winding Stem & Crown: Facilitates hand setting and manual winding
Click, Ratchet, Crown Wheels & Springs: Maintain winding mechanism’s security and performance
Case Screws & Fasteners: Secure the movement within the case
Hands & Dial Components: Must match the original fitment for visual harmony
Maintenance and Sourcing Tips
Always confirm the “5 BA” calibre stamp for precise parts compatibility
Choose New Old Stock (NOS) or original Bulova parts from trustworthy suppliers
Compact design necessitates precision tools and careful part handling
Trusted sources include specialist vintage watch parts dealers and restoration experts
Importance of Authentic Spare Parts
Sustains accuracy and mechanical reliability
Preserves original Bulova craftsmanship and collector value
Supports long-term, high-quality restoration
Authentic Bulova 5 BA spare parts ensure these classic watches remain precise, durable, and valuable for future generations of collectors and watchmakers.
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