ETA 2640 – interchangeable spare parts

ETA 2640 movement

Which spare parts fit the ETA 2640 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

38Parts with interchange data
94Calibers 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 2640 in our shop

🔧 Interchangeable parts

Part no.DescriptionAlso fits
144ISO 10.300Dial fastener
161ISO 80.400Centre tube
182ISO 20.030Barrel and cover
195ISO 20.060Barrel arbor
203ISO 30.012Intermediate wheel
210ISO 30.025Third wheel
227ISO 30.027Second wheel
227/3ISO 30.027.18Second wheel, without sweep second
242ISO 31.083Cannon pinion with driving wheel
242/1ISO 31.083.18Cannon pinion with driver, without sweep second
255ISO 31.046Hour wheel
255/1ISO 31.046.06Hour wheel, assembled
260ISO 31.041Minute wheel
307ISO 40.301Regulator without pointer, assembled
307/3ISO 40.302Regulator without pointer, assembled
401ISO 51.010Winding stem
404Stem for waterproof case, with slot
according to original label
405/3ISO 51.020Handsetting stem
407ISO 31.121Sliding pinion
410ISO 31.120Winding pinion
415ISO 31.020Ratchet wheel
420ISO 31.023Crown wheel
422ISO 81.067Crown wheel ring
425ISO 51.120Click
430ISO 61.080Click spring
435ISO 51.050Yoke
435/3ISO 51.050.06Yoke
440ISO 61.100Yoke spring
443/1ISO 51.080.06Setting lever, assembled
445ISO 51.090Setting lever jumper
445/2ISO 51.091Combined setting lever jumper
450ISO 31.100Setting wheel
450/1ISO 31.100.06Setting wheel, assembled
462ISO 10.062Minute train bridge
462/1ISO 10.062.06Minute train bridge
705ISO 30.040Escape wheel
710ISO 40.010Pallet fork
9433ISO 56.070Stop lever

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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