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BFG- Baumgartner 920/31- (CLD) Watch Movement spare parts
| BFG- Baumgartner 920/31- (CLD) – Part No. 100 Plate 8 3/4 |
| BFG- Baumgartner 920/31- (CLD) – Part No. 106 3/4 plate bridge |
| BFG- Baumgartner 920/31- (CLD) – Part No. 121/3 Balance cock for stud holder and antishock |
| BFG- Baumgartner 920/31- (CLD) – Part No. 125 Pin pallet cock |
| BFG- Baumgartner 920/31- (CLD) – Part No. 180 Barrel with arbor |
| BFG- Baumgartner 920/31- (CLD) – Part No. 195 Barrel arbor |
| BFG- Baumgartner 920/31- (CLD) – Part No. 201/1 Center wheel and pinion |
| BFG- Baumgartner 920/31- (CLD) – Part No. 210 Third wheel and pinion |
| BFG- Baumgartner 920/31- (CLD) – Part No. 211 Double Third wheel and pinion |
| BFG- Baumgartner 920/31- (CLD) – Part No. 220 /1 Fourth wheel and pinion without second hand bit |
| BFG- Baumgartner 920/31- (CLD) – Part No. 243 Cannon pinion |
| BFG- Baumgartner 920/31- (CLD) – Part No. 250 Hour wheel |
| BFG- Baumgartner 920/31- (CLD) – Part No. 275 Sweep second Pinion |
| BFG- Baumgartner 920/31- (CLD) – Part No. 307/1 Regulator for adjustable stud holder,for flat hairspring |
| BFG- Baumgartner 920/31- (CLD) – Part No. 364 Stud holder for flat hairspring |
| BFG- Baumgartner 920/31- (CLD) – Part No. 370 Antishock jewelled, upper |
| BFG- Baumgartner 920/31- (CLD) – Part No. 371 Antishock jewelled, lower |
| BFG- Baumgartner 920/31- (CLD) – Part No. 372 Antishock 2 jewels, upper |
| BFG- Baumgartner 920/31- (CLD) – Part No. 373 Antishock 1 jewel, lower |
| BFG- Baumgartner 920/31- (CLD) – Part No. 401 Winding stem |
| BFG- Baumgartner 920/31- (CLD) – Part No. 404 Winding stem for waterproof case |
| BFG- Baumgartner 920/31- (CLD) – Part No. 407 Clutch wheel |
| BFG- Baumgartner 920/31- (CLD) – Part No. 410 Winding pinion |
| BFG- Baumgartner 920/31- (CLD) – Part No. 415 Ratchet wheel |
| BFG- Baumgartner 920/31- (CLD) – Part No. 420 Crown wheel |
| BFG- Baumgartner 920/31- (CLD) – Part No. 422 Crown wheel ring |
| BFG- Baumgartner 920/31- (CLD) – Part No. 434 Click spring |
| BFG- Baumgartner 920/31- (CLD) – Part No. 435 Yoke |
| BFG- Baumgartner 920/31- (CLD) – Part No. 440 Yoke spring |
| BFG- Baumgartner 920/31- (CLD) – Part No. 443 Setting lever |
| BFG- Baumgartner 920/31- (CLD) – Part No. 451 Setting wheel for minute wheel |
| BFG- Baumgartner 920/31- (CLD) – Part No. 466 Lid for winding and setting mechanisms |
| BFG- Baumgartner 920/31- (CLD) – Part No. 469 Hour wheel guard |
| BFG- Baumgartner 920/31- (CLD) – Part No. 733 Colleted hairspring |
| BFG- Baumgartner 920/31- (CLD) – Part No. 770 Mainspring |
| BFG- Baumgartner 920/31- (CLD) – Part No. 790/2 Pin escape wheel for upper end-piece |
| BFG- Baumgartner 920/31- (CLD) – Part No. 792 Balance staff for roller |
| BFG- Baumgartner 920/31- (CLD) – Part No. 793 Balance with roller, regulated |
| BFG- Baumgartner 920/31- (CLD) – Part No. 797 Pin pallet fork for roller |
| BFG- Baumgartner 920/31- (CLD) – Part No. 799 Roller |
| BFG- Baumgartner 920/31- (CLD) – Part No. 5102 Case pin |
| BFG- Baumgartner 920/31- (CLD) – Part No. 5106 3/4 plate bridge screw |
| BFG- Baumgartner 920/31- (CLD) – Part No. 5121 Balance cock screw |
| BFG- Baumgartner 920/31- (CLD) – Part No. 5125 Pin pallet cock screw |
| BFG- Baumgartner 920/31- (CLD) – Part No. 5415 Ratchet wheel screw |
| BFG- Baumgartner 920/31- (CLD) – Part No. 5420 Crown wheel screw |
| BFG- Baumgartner 920/31- (CLD) – Part No. 5435 yoke screw |
| BFG- Baumgartner 920/31- (CLD) – Part No. 5466 Lid screw, for winding and setting mechanisms |
| BFG- Baumgartner 920/31- (CLD) – Part No. 5750 Dial screw |
| BFG- Baumgartner 920/31- (CLD) – Part No. 5750-1 Dial screw aside |
BFG – Baumgartner 920/31 Watch Spare Parts: Comprehensive Overview
The Baumgartner BFG 920/31 is a Swiss-made manual winding pin lever mechanical watch movement known for its compact design and reliable performance. This calibre is part of the 920 family featuring a small size and sturdy construction, widely used in vintage watches.
Key Specifications
Calibre: BFG 920/31
Size: Approximately 8.75 lignes (around 19.7 mm diameter)
Beat Rate: 21,600 vibrations per hour (vph)
Jewels: Typically 1 to several synthetic jewels depending on variant
Escapement: Pin lever
Balance: Nickel anular balance without shock protection
Winding: Yoke winding system
Functions: Timekeeping with sweep or no seconds hand depending on variant
Common Spare Parts
Mainspring and Barrel: Original or New Old Stock (NOS) mainsprings for steady and reliable power.
Balance Assembly: Balance wheel, staff, hairspring, and regulator for precision timing.
Escape Wheel and Pallet Fork: Essential escapement components requiring precision.
Gear Train Wheels: Center, third, and fourth wheels transferring power smoothly.
Setting and Winding Components: Stem, crown, winding pinion, yoke, setting lever, and springs.
Hands and Dial Components: Authentic vintage replacements or compatible parts.
Screws, Bridges, and Plates: Structural parts ensuring movement stability and assembly.
Maintenance and Sourcing Tips
Confirm BFG 920/31 calibre marking before ordering parts for compatibility.
Use NOS or trusted donor parts to ensure quality and correct fitment.
Handle pin lever escapement and balance components with care during servicing.
Apply appropriate lubrication following vintage watch care standards.
Specialist vintage watch parts suppliers and dealers stock a wide range of Baumgartner BFG 920 family parts.
Importance of Genuine Spare Parts
Genuine parts guarantee accuracy, durability, and smooth operation of the timepiece.
Preserve the historical value and collector appeal of your vintage Baumgartner watch.
Proper restoration with authentic spares supports long-term watch functionality.
Maintaining your Baumgartner BFG 920/31 with genuine spare parts ensures dependable performance and respects its Swiss horological 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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