BFG – Baumgartner 866 Watch Spare Parts: Detailed Guide
The Baumgartner BFG 866 is a Swiss-made manual winding mechanical watch movement characterized by its simple pin lever escapement. It is a classic calibre widely used in vintage timepieces, available both with and without date functions.
Key Specifications
Calibre: BFG 866
Size: 12 lignes or 13 1/2 lignes (approx. 26.9 to 30.7 mm diameter)
Beat Rate: 18,000 vibrations per hour (vph)
Jewels: 1 synthetic jewel
Escapement: Pin lever
Balance: Nickel anular balance without shock protection
Winding: Manual with yoke winding system
Lift Angle: 44°
Functions: Hour, minute, no seconds in some variants; some models include date function
Common Spare Parts
Mainspring and Barrel: Essential for steady power delivery; often available as NOS (New Old Stock).
Balance Assembly: Includes balance wheel, staff, and regulator crucial for timing accuracy and stability.
Escape Wheel and Pallet Fork: Core escapement parts demanding precise fitting and condition.
Gear Train Wheels: Center, third, fourth wheels, and cannon pinions allow smooth gear train functioning.
Setting Mechanism: Stem, crown, setting levers, and springs ensure proper time and date setting.
Date Mechanism (if applicable): Date ring, corrector springs, levers, and wheels.
Hands and Dial Components: Vintage-style replacement parts retain original aesthetic.
Screws and Bridges: Supporting structural components for movement integrity.
Maintenance and Sourcing Tips
Confirm the BFG 866 calibre marking before ordering parts to ensure compatibility.
Use NOS or donor movements for sourcing rare or discontinued parts.
Handle escapement and date mechanisms carefully during servicing to avoid damage.
Apply lubrication sparingly following vintage watch maintenance protocols.
Specialist suppliers and vintage watch parts dealers stock Baumgartner spare parts.
Importance of Genuine Spare Parts
Genuine parts guarantee mechanical reliability, accuracy, and longevity.
Maintain the historical value and collector appeal of your vintage Baumgartner timepiece.
Proper restoration with authentic components ensures smooth operation and preserves heritage.
Maintaining your Baumgartner BFG 866 with authentic spare parts ensures dependable performance and preserves its role in Swiss horological tradition.
You can confirm the order by making a PayPal payment. My account email address is [email protected]
Watch Parts Enquiry
* If you are unable to fill out any of the required information fields, please type “N/A”.
Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
Mobile/WhatsApp: +91- 9841 360 340