ETA 2801-1 – interchangeable spare parts

ETA 2801-1 movement

Which spare parts fit the ETA 2801-1 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

39Parts with interchange data
161Calibers 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
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
260ISO 31.041Minute wheel
307ISO 40.301Regulator without pointer, assembled
307/2ISO 40.302Regulator without pointer, assembled
307/3ISO 40.302Regulator without pointer, assembled
311ISO 70.800Upper cap jewel with end-piece, f. balance
330ISO 70.801Lower cap jewel with end-piece, f. balance
401ISO 51.010Winding stem
405/401Handsetting 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
440ISO 61.100Yoke spring
443/1ISO 51.080.06Setting lever, assembled
445/2ISO 51.091Combined setting lever jumper
450ISO 31.100Setting wheel
450/1ISO 31.100.06Setting wheel, assembled
462ISO 10.062Minute train bridge
705ISO 30.040Escape wheel
710ISO 40.010Pallet fork
2538/2570Spring for date corrector lever
2539ISO 53.022Date corrector operating lever
2570ISO 53.026Double corrector operating lever
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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