Felsa 347 – interchangeable spare parts

Felsa 347 movement

Which spare parts fit the Felsa 347 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

1Parts with interchange data

6Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of Felsa and the original spare-part labels. All information has been carefully checked but is provided without guarantee. Please verify the interchangeability yourself before fitting, especially the height, diameter and execution of the part.

🔧 Interchangeable parts

Part no.	Description	Also fits
330ISO 70.801	Lower cap jewel with end-piece	Felsa 370 Felsa 700 Felsa 700N Felsa 702 Felsa 705 Felsa 705N

Source: original interchangeability lists of Felsa (checked transcription) and checked original spare-part labels · as of 2026-10-28. Height / execution: the part fits only in this height or execution.

🌀 Matching mainspring

Mainspring dimensions for Felsa 347 (height × diameter × thickness × length) and matching mainspring in our shop:

Felsa 347: 1.50 × 8.0 × 0.10 × 260 mm (GR 4119)

🔗 Movements sharing the most parts

→ All calibers of Felsa

❓ Frequently asked questions

Which Felsa 347 spare parts also fit other movements?

For the Felsa 347, 1 part numbers are listed as interchangeable. Together they fit 6 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Felsa 347?

The most shared parts: Felsa 370 (1 parts), Felsa 700 (1 parts), Felsa 700N (1 parts).

Which mainspring fits the Felsa 347?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 8.0 × 0.10 × 260 mm (GR 4119, hand-wound, normal end hook).