ETA 900.231 – interchangeable spare parts

ETA 900.231 movement

Which spare parts fit the ETA 900.231 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

35Parts with interchange data
34Calibers 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.

🛒 Spare parts for ETA 900.231 in our shop

🔧 Interchangeable parts

Part no.DescriptionAlso fits
102ISO 10.030
110ISO 10.048Train wheel bridge, jewelled
119ISO 10.049Lower train wheel bridge jewelled
144ISO 10.300Dial fastener
163ISO 81.337Cannon pinion stud
203ISO 30.012Intermediate wheel
210ISO 30.025Third wheel
228ISO 30.013Transmission wheel for intermediate wheel
240ISO 31.080Driver cannon pinion
Height 195
255/1ISO 31.046.06Hour wheel, assembled
Height 116
260ISO 31.041Minute wheel
405/3ISO 51.020Handsetting stem
407Sliding pinion
according to original label
407/1ISO 31.121.06Sliding pinion
437ISO 51.052Rocking bar
443/1ISO 51.080.06Setting lever, assembled
450/1ISO 31.100.06Setting wheel, assembled
451ISO 31.102Minute setting wheel
453ISO 31.101Intermediate setting wheel
453/1ISO 31.101.18Intermediate setting wheel, with special toothing
453/2ISO 31.101.19Intermediate setting wheel
462/1ISO 10.062.06Minute train bridge
4038ISO 20.584Electronic module cover
4060ISO 20.590Coil
4200ISO 10.510
4211ISO 20.580Rotor
4265ISO 40.660
4401ISO 20.761Bridle +
4401/2ISO 20.762Special bridle +
4402ISO 20.763Bridle
4405ISO 20.765Contact strip bridle
4820ISO 56.520Connector
4820/1ISO 56.520.18Connector for printed circuit
4929/1ISO 20.570.18Battery
9447ISO 10.014Display module LCD

Source: original interchangeability lists of ETA (checked transcription) and checked original spare-part labels · as of 2026-10-18. Height / execution: the part fits only in this height or execution.

🔗 Movements sharing the most parts

→ All calibers of ETA

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