EB 8004 – interchangeable spare parts

EB 8004 movement

Which spare parts fit the EB 8004 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

34Parts with interchange data

52Calibers 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.

🛒 Spare parts for EB 8004 in our shop

Date Jumper Part 2576 for Bettlach EB 8397, EB 8004, 8395, 836511,90 € incl. VAT *View item ›

Unlocking Yoke for Date Indicator for DUROWE 7412, EB 8004 – Part 263212,90 € incl. VAT *View item ›

🔧 Interchangeable parts

Part no.	Description	Also fits
163ISO 81.337	Cannon pinion stud	EB 8000 EB 8001
181/1ISO 20.040.06	Barrel for drilled core with driving wheel / driving pinion	EB 8000 EB 8001
197ISO 20.070.06	Core and ratchet wheel, riveted	EB 8000 EB 8001
199ISO 20.062	Barrel axle	EB 8000 EB 8001
203ISO 30.012	Intermediate wheel and pinion	EB 8000 EB 8001
210ISO 30.025	Third wheel	EB 8000 EB 8001
224ISO 30.027.13	Fourth wheel	Height 491 EB 8000 EB 8001 Height 511 EB 8000 EB 8001
243/1ISO 31.081.18	Cannon pinion, undrilled, without clam notch, smooth hole	Height 285 EB 8000 EB 8001 Height 390 EB 8000 EB 8001
260ISO 31.041	Minute wheel	EB 8000 EB 8001
301ISO 40.301	Regulator for flat hairspring	EB 8000 EB 8001
311ISO 70.800	Upper cap jewel with end-piece	EB 1197 EB 1197N EB 1438 EB 1438N EB 8000 EB 8001 EB 8020 EB 8020N EB 8021 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 8020 EB 8020N EB 8021 EB 8021-68 EB 8021N EB 8022 EB 8022N EB 8024 EB 8025 EB 8027
334ISO 70.850	End-piece with cap jewels for two wheels	EB 8000 EB 8001
401ISO 51.010	Winding stem	EB 8000 EB 8001
407ISO 31.121	Clutch wheel	EB 8000 EB 8001
410ISO 31.120	Winding pinion	EB 8000 EB 8001
420ISO 31.023	Crown wheel	EB 8000 EB 8001
425ISO 51.120	Click	EB 8000 EB 8001
430ISO 61.080	Click spring	EB 8000 EB 8001
435/1ISO 51.050	Spring yoke	EB 8000 EB 8001
443ISO 51.080	Setting lever	EB 8000 EB 8001
443/5443ISO 51.080.06/.01	Setting lever	EB 8000 EB 8001
450ISO 31.100	Setting wheel	EB 8000 EB 8001
790ISO 30.041	Pin escape wheel, pivoted	EB 8000 EB 8001
790/2ISO 30.041.10	Pin escape wheel for upper end-piece	EB 8000 EB 8001
793ISO 40.054	Balance with roller, regulated	EB 8000 EB 8001 EB 8000 EB 8001
794ISO 40.055	Balance with finger, regulated	EB 8000 EB 8001
2535ISO 13.105 (13.104	Date indicator guard	EB 8115 EB 8127 EB 8135
2575ISO 63.020	Date jumper spring	EB 8127 EB 8154-66 EB 8354-67 EB 8364-67 EB 8365-66 EB 8365-67 EB 8374-66 EB 8374-67 EB 8376-67 EB 8385-66 EB 8385-67 EB 8387-66 EB 8387-67 EB 8395-66 EB 8395-67 EB 8397-66 EB 8397-67 Durowe 450-2 Durowe 381-2 Durowe 381-3 Durowe 391-2 Durowe 391-3 Durowe 450-2 Durowe 450-3 Durowe 451-2 Durowe 451-3 Durowe 471-2 Durowe 471-3 Durowe 7412 Durowe 7412-2
2576ISO 53.080	Date jumper, mounted	EB 8115 EB 8127 EB 8135 EB 8137 EB 8354-66 EB 8354-67 EB 8364-67 EB 8365-66 EB 8365-67 EB 8374-66 EB 8374-67 EB 8376-67 EB 8385-66 EB 8385-67 EB 8387-66 EB 8387-67 EB 8395-66 EB 8395-67 EB 8397-66 EB 8397-67 Durowe 450-2 Durowe 381-2 Durowe 381-3 Durowe 391-2 Durowe 391-3 Durowe 450-2 Durowe 450-3 Durowe 451-2 Durowe 451-3 Durowe 471-2 Durowe 471-3 Durowe 7412 Durowe 7412-2
2621ISO 33.029 (33.030		EB 8127 Durowe 450-2 Durowe 381-2 Durowe 391-2 Durowe 450-2 Durowe 451-2 Durowe 471-2 Durowe 7412 Durowe 7412-2
2628ISO 53.140		EB 8115 EB 8127 EB 8135 EB 8137 EB 8354-66 EB 8354-67 EB 8364-67 EB 8365-66 EB 8365-67 EB 8374-66 EB 8374-67 EB 8376-67 EB 8385-66 EB 8385-67 EB 8387-66 EB 8387-67 EB 8395-66 EB 8395-67 EB 8397-66 EB 8397-67 Durowe 450-2 Durowe 381-2 Durowe 381-3 Durowe 391-2 Durowe 391-3 Durowe 450-2 Durowe 450-3 Durowe 451-2 Durowe 451-3 Durowe 471-2 Durowe 471-3 Durowe 7412 Durowe 7412-2
2632ISO 53.040		EB 8115 EB 8127 EB 8135 EB 8137 EB 8354-66 EB 8354-67 EB 8364-67 EB 8365-66 EB 8365-67 EB 8374-66 EB 8374-67 EB 8376-67 EB 8385-66 EB 8385-67 EB 8387-66 EB 8387-67 EB 8395-66 EB 8395-67 EB 8397-66 EB 8397-67 Durowe 450-2 Durowe 381 Durowe 381-3 Durowe 391-2 Durowe 391-3 Durowe 450-2 Durowe 450-3 Durowe 451-2 Durowe 451-3 Durowe 471-2 Durowe 471-3 Durowe 7412 Durowe 7412-2
2633ISO 63.012	Unlocking yoke spring for date indicator	EB 8127 EB 8354-66 EB 8354-67 EB 8364-67 EB 8365-66 EB 8365-67 EB 8374-66 EB 8374-67 EB 8376-67 EB 8385-66 EB 8385-67 EB 8387-66 EB 8387-67 EB 8395-66 EB 8395-67 EB 8397-66 EB 8397-67 Durowe 450-2 Durowe 381-2 Durowe 381-3 Durowe 391-2 Durowe 391-3 Durowe 450-2 Durowe 450-3 Durowe 451-2 Durowe 451-3 Durowe 471-2 Durowe 471-3 Durowe 7412 Durowe 7412-2

Source: original interchangeability lists of EB (checked transcription) and checked original spare-part labels · as of 2026-10-28. Height / execution: the part fits only in this height or execution.

🌀 Matching mainspring

Mainspring dimensions for EB 8004 (height × diameter × thickness × length) and matching mainspring in our shop:

EB 8004: 1.65 × 9.5 × 0.105 × 320 mm (GR 4745)

🔗 Movements sharing the most parts

→ All calibers of EB

❓ Frequently asked questions

Which EB 8004 spare parts also fit other movements?

For the EB 8004, 34 part numbers are listed as interchangeable. Together they fit 52 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the EB 8004?

The most shared parts: EB 8000 (30 parts), EB 8001 (30 parts), EB 8127 (7 parts).

Which mainspring fits the EB 8004?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.65 × 9.5 × 0.105 × 320 mm (GR 4745, hand-wound, normal end hook).