ETA 101.001 – interchangeable spare parts

ETA 101.001 movement

Which spare parts fit the ETA 101.001 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

7Parts with interchange data
28Calibers 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.DescriptionAlso fits
203ISO 30.012Intermediate wheel
228ISO 30.013Transmission wheel for intermediate wheel
255/1ISO 31.046.06Hour wheel, assembled
Height 64
Height 114
Height 164
Height 214
260ISO 31.041Minute wheel
750ISO 90.000Dial
4211ISO 20.580Rotor
4929/1ISO 20.570.18Battery

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.

🔗 Movements sharing the most parts

→ All calibers of ETA

❓ Frequently asked questions

Which ETA 101.001 spare parts also fit other movements?

For the ETA 101.001, 7 part numbers are listed as interchangeable. Together they fit 28 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the ETA 101.001?

The most shared parts: ETA 201.001 (13 parts), ETA 556.112 (1 parts), ETA 556.115 (1 parts).

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