EB 8021 – interchangeable spare parts

EB 8021 movement

Which spare parts fit the EB 8021 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

36Parts with interchange data

21Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of EB 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.	Description	Also fits
182ISO 20.030	Barrel and cover	EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
195ISO 20.060	Barrel arbor	EB 8020 2e EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
206ISO 30.015	Center wheel	EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
210ISO 30.025	Third wheel	EB 8020 EB 8020N EB 8021N EB 8022 EB 8022N
227ISO 30.027	Sweep second wheel	EB 8020 EB 8020N EB 8021N EB 8022 EB 8022N Height 638 EB 8020 EB 8020N EB 8021N EB 8022 EB 8022N Height 695 EB 8020 EB 8020N EB 8021N EB 8022 EB 8022N
245ISO 31.080	Cannon pinion with clam notch	Height 253 EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 Height 285 EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 Height 338 EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024
255ISO 31.046	Hour wheel	Height 170 EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 Height 202 EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 Height 255 EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024
260ISO 31.041	Minute wheel	EB 8020 EB 8022
301ISO 40.301	Regulator for flat hairspring	EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N
311ISO 70.800	Upper cap jewel with end-piece	EB 1197 EB 1197N EB 1438 EB 1438N EB 8000 EB 8001 EB 8004 EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
330ISO 70.801	Lower cap jewel with end-piece	EB 1197 EB 1197N EB 1333 EB 1333-66 EB 1438 EB 1438N EB 8000 EB 8001 EB 8004 EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
335ISO 70.851	Lower cap jewels with end-pieces, for two wheels	EB 8020 EB 8020N EB 8021N EB 8022 EB 8022N
401ISO 51.010	Winding stem	EB 1197 EB 1197N EB 1438 EB 1438N EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
411ISO 31.120	Winding pinion	EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
416ISO 31.022	Lower ratchet wheel	EB 1197 EB 1197N EB 1438 EB 1438N EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
421ISO 31.025	Lower crown wheel	1st execution EB 1197 EB 1197N EB 1438 EB 1438N EB 8020 EB 8020N EB 8021N EB 8022 EB 8022N 2nd execution EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
425ISO 51.120	Click	EB 8020 EB 8022
430ISO 61.080	Click spring	EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N
437ISO 51.052	Rocking bar	EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
439ISO 61.101	Rocking bar spring	EB 1197 EB 1197N EB 1438 EB 1438N EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
443ISO 51.080	Setting lever	EB 1197N EB 1438N EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
443/5443ISO 51.080.06/.01	Setting lever	EB 8020 EB 8022
451ISO 31.102	Setting wheel for minute wheel	EB 1197 EB 1197N EB 1438 EB 1438N EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
452ISO 31.104	Ratchet-winding wheel	EB 1197 EB 1197N EB 1438 EB 1438N EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
790ISO 30.041	Pin escape wheel, pivoted	EB 8020 EB 8020N EB 8021N EB 8022 EB 8022N
790/1ISO 30.041.11	Pin escape wheel for lower end-piece	EB 8020 EB 8022
793ISO 40.054	Balance with roller, regulated	EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027 EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027 according to original label EB 1553 EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N
793UZ	Balance with roller, regulated	according to original label EB 1553 EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N
794ISO 40.055	Balance with finger, regulated	EB 8020 EB 8022
799 = 799 DancISO 40.120		1st execution EB 75 EB 1197 EB 1197N EB 1438 EB 1438N EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027 2nd execution EB 99 EB 1197 EB 1197N EB 1438 EB 1438N EB 8020 EB 8020N EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
2509ISO 83.138		EB 8021-68 EB 8021N EB 8024
2535ISO 13.105 (13.104	Date indicator guard	EB 8021-68 EB 8021N EB 8024
2556ISO 33.020	Date indicator driving wheel	EB 8021-68 EB 8021N EB 8024
2557/1ISO 91.440	Date indicator, transferred	EB 8021-68 EB 8021N EB 8024
2575ISO 63.020	Date jumper spring	EB 8021-68 EB 8021N EB 8024
2576ISO 53.080	Date jumper, mounted	EB 8021-68 EB 8021N EB 8024

Source: original interchangeability lists of EB (checked transcription) and checked original spare-part labels · as of 2026-10-17. Height / execution: the part fits only in this height or execution.

🔗 Movements sharing the most parts

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EB 8021 – interchangeable spare parts

🔧 Interchangeable parts

🔗 Movements sharing the most parts

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