


BFG- Baumgartner 911-31/7 (CLDD) Watch spare parts
| BFG- Baumgartner 911-31.7– Part No- 100 Plate |
| BFG- Baumgartner 911-31.7– Part No- 106 Barrel and train wheel bridge |
| BFG- Baumgartner 911-31.7– Part No- 121/3 Balance cock for stud holder and antishock |
| BFG- Baumgartner 911-31.7– Part No- 125 Pin pallet cock |
| BFG- Baumgartner 911-31.7– Part No- 135 Stem cock |
| BFG- Baumgartner 911-31.7– Part No- 180/1 Barrel complete |
| BFG- Baumgartner 911-31.7– Part No- 195 Barrel arbor |
| BFG- Baumgartner 911-31.7– Part No- 201/1 Center wheel and pinion |
| BFG- Baumgartner 911-31.7– Part No- 217 Third wheel and pinion |
| BFG- Baumgartner 911-31.7– Part No- 220 Fourth wheel and pinion without second hand bit |
| BFG- Baumgartner 911-31.7– Part No- 227 Sweep second wheel and Pinion |
| BFG- Baumgartner 911-31.7– Part No- 243 Cannon pinion |
| BFG- Baumgartner 911-31.7– Part No- 250 Hour wheel |
| BFG- Baumgartner 911-31.7– Part No- 307/1 Regulator for adjustable stud holder,for flat hairspring |
| BFG- Baumgartner 911-31.7– Part No- 364 Stud holder for flat hairspring |
| BFG- Baumgartner 911-31.7– Part No- 370 Antishock jewelled, upper |
| BFG- Baumgartner 911-31.7– Part No- 371 Antishock jewelled, lower |
| BFG- Baumgartner 911-31.7– Part No- 372 Antishock 2 jewels, upper |
| BFG- Baumgartner 911-31.7– Part No- 373 Antishock 1 jewel, lower |
| BFG- Baumgartner 911-31.7– Part No- 373/1 Antishock 2 jewels, lower |
| BFG- Baumgartner 911-31.7– Part No- 374 Antishock 1 jewel, upper |
| BFG- Baumgartner 911-31.7– Part No- 394 Bushing jewelled, upper |
| BFG- Baumgartner 911-31.7– Part No- 395 Bushing jewelled, lower |
| BFG- Baumgartner 911-31.7– Part No- 397 Bushing nonjewelled, lower |
| BFG- Baumgartner 911-31.7– Part No- 398 Bushing nonjewelled, upper |
| BFG- Baumgartner 911-31.7– Part No- 401 Winding stem |
| BFG- Baumgartner 911-31.7– Part No- 404 Winding stem for waterproof case |
| BFG- Baumgartner 911-31.7– Part No- 407 Clutch wheel |
| BFG- Baumgartner 911-31.7– Part No- 410 Winding pinion |
| BFG- Baumgartner 911-31.7– Part No- 415 Ratchet wheel |
| BFG- Baumgartner 911-31.7– Part No- 420 Crown wheel |
| BFG- Baumgartner 911-31.7– Part No- 422 Crown wheel ring |
| BFG- Baumgartner 911-31.7– Part No- 434 Click spring |
| BFG- Baumgartner 911-31.7– Part No- 435 Yoke |
| BFG- Baumgartner 911-31.7– Part No- 440 Yoke spring |
| BFG- Baumgartner 911-31.7– Part No- 443 Setting lever |
| BFG- Baumgartner 911-31.7– Part No- 451 Setting wheel for minute wheel |
| BFG- Baumgartner 911-31.7– Part No- 466 Lid for winding and setting mechanisms |
| BFG- Baumgartner 911-31.7– Part No- 469 Hour wheel guard |
| BFG- Baumgartner 911-31.7– Part No- 601/8 Combined jewelled bush |
| BFG- Baumgartner 911-31.7– Part No- 605/8 Combined jewelled bush |
| BFG- Baumgartner 911-31.7– Part No- 615/8 Combined jewelled bush |
| BFG- Baumgartner 911-31.7– Part No- 733 Colleted hairspring |
| BFG- Baumgartner 911-31.7– Part No- 770 Mainspring |
| BFG- Baumgartner 911-31.7– Part No- 790 Pin escape wheel |
| BFG- Baumgartner 911-31.7– Part No- 791 Balance staff for finger |
| BFG- Baumgartner 911-31.7– Part No- 792 Balance staff for roller |
| BFG- Baumgartner 911-31.7– Part No- 793 Balance with roller, regulated |
| BFG- Baumgartner 911-31.7– Part No- 794 Balance with finger, regulated |
| BFG- Baumgartner 911-31.7– Part No- 797 Pin pallet fork for roller |
| BFG- Baumgartner 911-31.7– Part No- 798 Finger |
| BFG- Baumgartner 911-31.7– Part No- 799 Roller |
| BFG- Baumgartner 911-31.7– Part No- 800 Pin pallet fork for finger |
| BFG- Baumgartner 911-31.7– Part No- 5106 Barrel and train wheel bridge screw |
| BFG- Baumgartner 911-31.7– Part No- 5121 Balance cock screw |
| BFG- Baumgartner 911-31.7– Part No- 5125 Pin pallet cock screw |
| BFG- Baumgartner 911-31.7– Part No- 5415 Ratchet wheel screw |
| BFG- Baumgartner 911-31.7– Part No- 5420 Crown wheel screw |
| BFG- Baumgartner 911-31.7– Part No- 5435 Yoke screw |
| BFG- Baumgartner 911-31.7– Part No- 5466 Lid screw, for winding and setting mechanisms |
| BFG- Baumgartner 911-31.7– Part No- 5750 Dial screw |
| BFG- Baumgartner 911-31.7– Part No- 5751 Dial key |
| BFG- Baumgartner 911-31.7– Part No- 145 Dial rest |
| BFG- Baumgartner 911-31.7– Part No- 227 Sweep second wheel and Pinion |
| BFG- Baumgartner 911-31.7– Part No- 243 Cannon pinion |
| BFG- Baumgartner 911-31.7– Part No- 469 Hour wheel guard |
| BFG- Baumgartner 911-31.7– Part No- 498 Washer |
| BFG- Baumgartner 911-31.7– Part No- 2535 Date indicator guard |
| BFG- Baumgartner 911-31.7– Part No- 2551 Calendar plate |
| BFG- Baumgartner 911-31.7– Part No- 2556/1 Date indicator driving wheel |
| BFG- Baumgartner 911-31.7– Part No- 2557/1 Dale indicator |
| BFG- Baumgartner 911-31.7– Part No- 2558 Double toothed hour wheel |
| BFG- Baumgartner 911-31.7– Part No- 2566 Date corrector |
| BFG- Baumgartner 911-31.7– Part No- 2566/1 Date corrector yoke |
| BFG- Baumgartner 911-31.7– Part No- 2572 Date corrector spring |
| BFG- Baumgartner 911-31.7– Part No- 2575 Date jumper spring |
| BFG- Baumgartner 911-31.7– Part No- 2576 Date jumper |
| BFG- Baumgartner 911-31.7– Part No- 5145 Dial rest screw |
| BFG- Baumgartner 911-31.7– Part No- 5750 Dial screw |
| BFG- Baumgartner 911-31.7– Part No- 52551 Calendar plate screw |

BFG – Baumgartner 911-31 (CLD) Watch Spare Parts: Detailed Overview
The Baumgartner BFG 911-31 (CLD) is a Swiss-made manual winding mechanical movement designed primarily for ladies’ watches, featuring a pin lever escapement and calendar date complication (CLD version). It is noted for its compact size, reliable performance, and complex, somewhat unusual gear train and calendar system.
Key Specifications
Calibre: BFG 911-31 (CLD)
Size: 8 1/2 lignes (approx. 19.2 mm diameter)
Beat Rate: 21,600 vibrations per hour (vph)
Jewels: Versions available with 1, 5, or 17 jewels
Escapement: Pin lever
Balance: Nickel anular balance, some variants with KIF shock protection
Winding: Yoke winding system
Functions: Sweep seconds and calendar date with semi-fast date switch and date correction
Complex Features: The date mechanism has a semi-fast switching capability due to special teeth lengths and jumpers, allowing date correction at specific times.
Common Spare Parts
Mainspring and Barrel: Original and New Old Stock (NOS) mainsprings supplying reliable power.
Balance Assembly: Balance wheel, staff, hairspring, and regulator ensuring precision and durability.
Escape Wheel and Pallet Fork: Essential escapement components requiring precision fitting.
Gear Train Wheels: Including driving wheel, third wheel, and second wheels transmitting power effectively.
Calendar Mechanism: Date wheels, jumpers, locking levers, springs, and gears enabling semi-fast date correction.
Winding and Setting Components: Stems, crowns, yokes, setting levers, and related springs.
Hands and Dial Components: Period-accurate replacements preserving vintage aesthetics.
Screws, Plates, and Bridges: Structural and assembly components for movement integrity.
Maintenance and Sourcing Tips
Always verify the BFG 911-31 (CLD) marking before ordering parts to ensure compatibility.
Use NOS or donor parts for rare components to maintain original functionality.
Handle calendar mechanism with care during servicing to avoid damage.
Lubricate sparingly with oils appropriate for vintage pin lever movements.
Specialist dealers and vintage parts suppliers provide extensive Baumgartner 911 series parts.
Importance of Genuine Spare Parts
Authentic components guarantee accuracy, reliability, and extended service life.
Preserve the collector’s value and vintage authenticity.
Support professional servicing and long-term movement function.
Maintaining your Baumgartner BFG 911-31 (CLD) with genuine spare parts enhances performance and honors its place in 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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