BFG – Baumgartner 911 Watch Spare Parts: Detailed Overview
The Baumgartner BFG 911 is a Swiss mechanical watch movement designed primarily for ladies’ watches, recognized for its compact size and robust pin lever construction. This calibre is notable in vintage watches for its reliable performance and distinctive gear train layout.
Key Specifications
Calibre: BFG 911
Size: 8 1/2 lignes (approx. 19.2 mm)
Beat Rate: 21,600 vibrations per hour (vph)
Jewels: Available in versions with 1, 5, or 17 jewels
Escapement: Pin lever
Balance: Nickel anular balance with some versions featuring KIF shock protection systems
Power Reserve: Around 43 hours
Winding System: Yoke winding mechanism
Unique Features: Large cutout in the base plate due to the pillar construction and dial side driven hands via double clutch wheel; complicated semi-fast date function mechanism.
Common Spare Parts
Mainspring and Barrel: Original mainsprings crucial for consistent power delivery.
Balance Assembly: Balance wheel, staff, regulator, and hairspring ensuring precision timekeeping.
Escape Wheel and Pallet Fork: Pin lever escapement components requiring exact fits.
Gear Train Wheels: Large driving wheel, third wheel, second wheel, and related wheels transmitting energy reliably.
Winding and Setting Parts: Yoke, setting lever, winding pinion, crown, and springs.
Date Mechanism: Complex date gears with teeth of varying lengths, springs, and jumpers for semi-fast switching and correction.
Hands and Dial Components: Replacement components maintaining vintage wristwatch aesthetics.
Screws, Plates, and Bridges: Structural parts ensuring mechanical stability.
Maintenance and Sourcing Tips
Use original or New Old Stock (NOS) parts for optimal authenticity and performance.
Handle the complex date mechanism delicately during servicing to avoid damage.
Lubricate sparingly tailored to the pin lever mechanism and vintage movement needs.
Reliable watch parts dealers and vintage specialists offer Baumgartner 911 spare components.
Importance of Genuine Spare Parts
Guarantees accuracy, longevity, and smooth operation of this complex movement.
Maintains collector value and historical importance of vintage Baumgartner watches.
Supports proper restoration and long-term serviceability.
Maintaining your Baumgartner BFG 911 with authentic spare parts assures dependable performance and honors its significance in Swiss horological history.
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Stem, Crown, Hands & Spares might be available for this movement.
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