BFG – Baumgartner 844 31/7 (CLDD) Watch Spare Parts: Detailed Guide
The Baumgartner BFG 844 31/7 (CLDD) is a Swiss-made manual winding mechanical watch movement with pin lever escapement known for its reliability and additional day/date quickset functionalities. It was widely used in vintage watches from the mid-1970s, combining classic design with practical modern features.
Key Specifications
Calibre: BFG 844 31/7 (CLDD)
Movement Type: Manual winding, pin lever escapement
Size: 10 1/2 lignes (approx. 23.8 mm diameter)
Beat Rate: 18,000 vibrations per hour (vph)
Jewels: Typically 2, with some variants up to 17 jewels
Functions: Hour, minute, sweep seconds, day and date quickset (CLDD)
Construction: Pillar construction with yoke winding system
Balance: Nickel anular balance with KIF Trior shock protection
Setting Mechanism: Screw set lever with day and date indication features
Common Spare Parts
Mainspring & Barrel: Original or New Old Stock (NOS) mainsprings for reliable power delivery.
Balance Assembly: Including balance wheel, staff, hairspring, regulator for precise timekeeping.
Escape Wheel & Pallet Fork: Escapement components tailored for pin lever mechanism.
Gear Train Wheels: Center, third, and fourth wheels and cannon pinions for smooth gear transmission.
Setting Mechanism: Stem, crown, winding stem components, yoke, setting lever, and springs.
Day and Date Mechanism: Day wheels, date disks, correctors, springs, and levers enabling quickset functions.
Hands & Dial Components: Authentic or compatible vintage-style hands and dial parts.
Screws and Bridges: Structural parts maintaining movement integrity and stability.
Maintenance and Sourcing Tips
Confirm the BFG 844 31/7 (CLDD) marking before ordering parts to ensure compatibility.
Use genuine or high-quality NOS parts and donor movements to source rare components.
Handle day and date components with care during servicing to avoid damage.
Apply lubrication sparingly in line with best practices for vintage movement maintenance.
Specialist suppliers and vintage watch parts dealers provide extensive BFG spare parts availability.
Importance of Genuine Spare Parts
Ensures precision, longevity, and smooth mechanical operation of the watch.
Maintains the historical and collector’s value of your vintage Baumgartner timepiece.
Supports professional restoration with original parts for authentic results.
Maintaining your Baumgartner BFG 844 31/7 (CLDD) with authentic spare parts guarantees reliable performance while preserving its Swiss watchmaking heritage.
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Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
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