ETA 201.001 – interchangeable spare parts

ETA 201.001 movement

Which spare parts fit the ETA 201.001 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

7Parts with interchange data

7Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of ETA 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
203ISO 30.012	Intermediate wheel	ETA 101.001
228ISO 30.013	Transmission wheel for intermediate wheel	ETA 101.001
255/1ISO 31.046.06	Hour wheel, assembled	ETA 101.001 Height 64 ETA 101.001 Height 114 ETA 101.001 Height 164 ETA 101.001 Height 214 ETA 101.001
260ISO 31.041	Minute wheel	ETA 101.001
750ISO 90.000	Dial	ETA 101.001 Ø 1020 ETA 101.001 Ø 2000 ETA 101.001 Ø 2200 ETA 101.001
4211ISO 20.580	Rotor	ETA 101.001
4929/1ISO 20.570.18	Battery	ETA 202.001 ETA 280.001 ETA 280.002 ETA 976.001 ETA 979.001 ETA 979.002

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

📄 Technical document

View the original document for ETA 201.001 online:

ETA 201.001 – Ø 9.90 mm

🔗 Movements sharing the most parts

→ All calibers of ETA

❓ Frequently asked questions

Which ETA 201.001 spare parts also fit other movements?

For the ETA 201.001, 7 part numbers are listed as interchangeable. Together they fit 7 other calibers – the table below shows which part fits which movement.