ETA 977.001 – interchangeable spare parts

ETA 977.001 movement

Which spare parts fit the ETA 977.001 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

18Parts with interchange data
35Calibers 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 977.001 in our shop

🔧 Interchangeable parts

Part no.DescriptionAlso fits
144ISO 10.300Dial fastener
163ISO 81.337Cannon pinion stud
203ISO 30.012Intermediate wheel
210ISO 30.025Third wheel
242/1ISO 31.083.18Cannon pinion with driver, special without sweep second
255/1ISO 31.046.06Hour wheel, assembled
260ISO 31.041Minute wheel
405/3ISO 51.020Handsetting stem, thread diameter S 0,90 mm
407Sliding pinion
according to original label
407/1ISO 31.121.06Sliding pinion
435/3ISO 51.050.06Yoke
443/1ISO 51.080.06Setting lever
445/2ISO 51.091Combined setting lever jumper
450/1ISO 31.100.06Setting wheel, assembled
4039ISO 20.585Lower magnetic screen
4046ISO 20.651Battery insulator
4211ISO 20.580Rotor
4929/1ISO 20.570.18Battery

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

🔗 Movements sharing the most parts

→ All calibers of ETA

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