BFG- Baumgartner 158(CLD) Watch Movement spare parts

BFG- Baumgartner 158(CLD) – Part No.   100 Plate

BFG- Baumgartner 158(CLD) – Part No.   106 Barrel and lrain wheel bridge

BFG- Baumgartner 158(CLD) – Part No.   121 Balance cock for stud holder and antishock

BFG- Baumgartner 158(CLD) – Part No.   121/1 Balance cook for shock-protecting device, flat hairspring

BFG- Baumgartner 158(CLD) – Part No.   125 Pin pallet cock

BFG- Baumgartner 158(CLD) – Part No.   180 Barrel with arbor

BFG- Baumgartner 158(CLD) – Part No.   195 Barrel arbor

BFG- Baumgartner 158(CLD) – Part No.   201/1 Large driving wheel and pinion without cannon pinion

BFG- Baumgartner 158(CLD) – Part No.   217 Third wheel and pinion, for upper end-piece

BFG- Baumgartner 158(CLD) – Part No.   224 Fourth wheel and pinion without second hand bit

BFG- Baumgartner 158(CLD) – Part No.   243 Cannon pinion without clam notch

BFG- Baumgartner 158(CLD) – Part No.   250 Hour wheel

BFG- Baumgartner 158(CLD) – Part No.   260 Minute wheel

BFG- Baumgartner 158(CLD) – Part No.   301 Regulator for  flat hairspring

BFG- Baumgartner 158(CLD) – Part No.   311 Upper cap jewel with end.piece,for balance

BFG- Baumgartner 158(CLD) – Part No.   330 Lower cap jewel with end-piece,for balance

BFG- Baumgartner 158(CLD) – Part No.   330 Lower cap jewel with end-piece,for balance

BFG- Baumgartner 158(CLD) – Part No.   330 Lower cap jewel with end-piece,for balance

BFG- Baumgartner 158(CLD) – Part No.   331 Lower end-piece, non-jewelled, for balance

BFG- Baumgartner 158(CLD) – Part No.   370 Kif jewelled, upper

BFG- Baumgartner 158(CLD) – Part No.   371 Kif jewelled,  Lower

BFG- Baumgartner 158(CLD) – Part No.   373 Kif non-jewelled,  Lower

BFG- Baumgartner 158(CLD) – Part No.   401 Winding stem

BFG- Baumgartner 158(CLD) – Part No.   407 Clutch wheel

BFG- Baumgartner 158(CLD) – Part No.   410 Winding pinion

BFG- Baumgartner 158(CLD) – Part No.   415 Ratchet wheel

BFG- Baumgartner 158(CLD) – Part No.   420 Crown wheel

BFG- Baumgartner 158(CLD) – Part No.   425 Click

BFG- Baumgartner 158(CLD) – Part No.   435 Yoke

BFG- Baumgartner 158(CLD) – Part No.   440 Yoke spring

BFG- Baumgartner 158(CLD) – Part No.   443 Setting lever

BFG- Baumgartner 158(CLD) – Part No.   469 Hour wheel guard

BFG- Baumgartner 158(CLD) – Part No.   498 Friction washer

BFG- Baumgartner 158(CLD) – Part No.   734 Mainspring with brake spring

BFG- Baumgartner 158(CLD) – Part No.   771 Mainspring with brake spring

BFG- Baumgartner 158(CLD) – Part No.   790/2 Pin escape wheel for upper end-piece

BFG- Baumgartner 158(CLD) – Part No.   792 Balance staff for roller

BFG- Baumgartner 158(CLD) – Part No.   793 Balance with roller, regulated

BFG- Baumgartner 158(CLD) – Part No.   794 Balance with finger, regulated

BFG- Baumgartner 158(CLD) – Part No.   795 Balance staff with finger

BFG- Baumgartner 158(CLD) – Part No.   797 Pin pallet fork for roller

BFG- Baumgartner 158(CLD) – Part No.   798 Finger

BFG- Baumgartner 158(CLD) – Part No.   799 Roller

BFG- Baumgartner 158(CLD) – Part No.   1142 Upper bridge lor automatic device

BFG- Baumgartner 158(CLD) – Part No.   1143 Oscillating weight

BFG- Baumgartner 158(CLD) – Part No.   1427 Tension click

BFG- Baumgartner 158(CLD) – Part No.   1448 Tension click spring

BFG- Baumgartner 158(CLD) – Part No.   1449 Winding-up wheel

BFG- Baumgartner 158(CLD) – Part No.   1481 Reduction gear

BFG- Baumgartner 158(CLD) – Part No.   1482/1 Driving gear, mounted for ratchet wheel

BFG- Baumgartner 1582(CLD) Calendar

BFG- Baumgartner 158(CLD) – Part No.   100 Plate

BFG- Baumgartner 158(CLD) – Part No.   2540 Dale roller

BFG- Baumgartner 158(CLD) – Part No.   2541 Date roller spring

BFG- Baumgartner 158(CLD) – Part No.   2556 Date indicator driving wheel

BFG- Baumgartner 158(CLD) – Part No.   2557/1 Date indicator, transferred

BFG- Baumgartner 158(CLD) – Part No.   2559 intermediate day wheel

BFG- Baumgartner 158(CLD) – Part No.   5102 Case screw special

BFG- Baumgartner 158(CLD) – Part No.   5106 Barrel and train wheel bridge screw

BFG- Baumgartner 158(CLD) – Part No.   5121 Balance cock screw

BFG- Baumgartner 158(CLD) – Part No.   5125 Pin pallet cock screw

BFG- Baumgartner 158(CLD) – Part No.   5311 Upper end-piece screw, for balance

BFG- Baumgartner 158(CLD) – Part No.   5330 Lower end-piece screw, for balance

BFG- Baumgartner 158(CLD) – Part No.   5415 Ratchet wheel screw

BFG- Baumgartner 158(CLD) – Part No.   5435 yoke screw

BFG- Baumgartner 158(CLD) – Part No.   5443 Setting lever screw

BFG- Baumgartner 158(CLD) – Part No.   5750 Dial screw

BFG- Baumgartner 158(CLD) – Part No.   5751 Dial key

BFG- Baumgartner 158(CLD) – Part No.   51142 Upper bridge screw, for automatic device

BFG- Baumgartner 158(CLD) – Part No.   51142-1 Upper bridge screw, for automatic device

BFG- Baumgartner 158(CLD) – Part No.   51143 oscillating weight Screw

BFG- Baumgartner 158(CLD) – Part No.   52541 Date roller spring screw

BFG- Baumgartner 158(CLD) – Part No.   52556 Date indicator driving wheel screw

BFG – Baumgartner 158(CLD) Watch Spare Parts: Essential Guide

The Baumgartner (BFG) 158(CLD) is a mechanical, manual winding Swiss movement known for its pin lever escapement, sweep seconds, and date function. This robust and popular movement was featured in many affordable vintage watches of the mid-to-late 20th century.
Key Technical Specifications

Calibre: BFG 158(CLD)

Movement Type: Mechanical, manual winding

Diameter: 12.5 x 13.5 lignes (ca. 28–30.7mm)

Beat Rate: 18,000 vibrations per hour (vph)

Functions: Hour, minute, sweep seconds, date (calendar)

Escapement: Pin lever (Roskopf type)

Jewels: Usually 1 (sometimes more in variants)

Power Reserve: Approx. 44 hours

Stem Height: ~2.3mm

Shock Protection: Generally not included

Common Spare Parts and Part Numbers

Mainspring: 1.20 x 0.120/0.130 x 320/300 x 9.5mm (GR2973/GR2988)

Balance Assembly: 721/1634, 721/1635

Barrel & Train Bridge: A/4998

Barrel Arbor: 195/1137

Cannon Pinion: 245/902

Center Wheel (Offset): 203/91

Clutch Assembly: 435/804 (lever), 407/925 (wheel)

Combo Click & Spring: 434/96

Crown Wheel: 420/1087

Date Mechanism:

Drive wheel (A/5004),

Indicator (A/5005),

Roller/spring (A/5002, A/5003),

Intermediate wheel (A/5006)

Escape Wheel: 705/1130

Fourth Wheel: 224/575, 224/559

Hour Wheel: 255/624

Minute Wheel: 260/926

Pallet Fork & Arbor: 710/1126

Ratchet Wheel: 415/1079

Regulator: 301/1106

Roller: 82S/360R

Winding Pinion: 410/1137, 410/1363

Stem: Tap 10, 200/1584F

Set Lever & Spring: 443/1213, 440/858

Screws: Many specialized reference numbers per assembly

Maintenance and Sourcing Tips

Use NOS (New Old Stock) or quality donor movements; many parts are still available from specialist suppliers and even from old stock.

Pin lever escapements need very light oiling; over-lubrication can be detrimental.

Confirm the BFG 158(CLD) identification on your movement before ordering parts or attempting repairs.

Date and calendar mechanisms are delicate—handle with care during disassembly/reassembly.

Donor movements and part kits are commonly available due to the vast historical production.

Importance of Genuine Parts

Genuine parts ensure proper fit, durability, and authentic restoration, maintaining timekeeping and vintage value.

Keeping to factory specifications helps preserve the historical and collector worth of these iconic Swiss movements.

Maintaining your BFG 158(CLD) movement with authentic parts guarantees reliability and honors its place in affordable Swiss watch history.

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Stem, Crown, Hands & Spares might be available for this movement.

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