Unitas 580 – interchangeable spare parts

Unitas (UT) 580 movement

Which spare parts fit the Unitas 580 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

11Parts with interchange data

70Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of Unitas (UT) 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
301ISO 40.301	Regulator for flat hairspring	Unitas 200 Unitas 200N Unitas 201 Unitas 201N
311ISO 70.800	Upper cap jewel with end-piece	Unitas 190 Unitas 200 Unitas 200N Unitas 201 Unitas 201N Unitas 540 Unitas 550
330ISO 70.801	Lower cap jewel with end-piece	Unitas 200N Unitas 201N Unitas 560 Unitas 570 Unitas 600 Unitas 620 Unitas 630 Unitas 640 Unitas 650 Unitas 6320 Unitas 6330 1st execution Unitas 200N Unitas 201N Unitas 376 Unitas 560 Unitas 570 Unitas 600 Unitas 620 Unitas 630 Unitas 640 Unitas 650 Unitas 6300 Unitas 6303 Unitas 6305 Unitas 6310 Unitas 6320 Unitas 6330 Unitas 6340 Unitas 6342 Unitas 6343 Unitas 6410 Unitas 6411 Unitas 6412 Unitas 6415 Unitas 6450 Unitas 6452 Unitas 6460 2nd execution Unitas 176 Unitas 180 Unitas 199 Unitas 200 Unitas 200N Unitas 201 Unitas 201N Unitas 560 Unitas 570 Unitas 600 Unitas 620 Unitas 630 Unitas 640 Unitas 650 Unitas 6320 Unitas 6330
336ISO 70.806	Upper cap-jewel with end-piece, for escape wheel	Unitas 540 Unitas 550
346ISO 70.807	Lower cap jewel with end-piece, f. esc. wheel	Unitas 376 Unitas 444 Unitas 497 Unitas 498 Unitas 560 Unitas 570 Unitas 600 Unitas 620 Unitas 640 Unitas 650 Unitas 6500 1st execution Unitas 376 Unitas 444 Unitas 497 Unitas 498 Unitas 560 Unitas 570 Unitas 600 Unitas 620 Unitas 640 Unitas 650 Unitas 6300 Unitas 6303 Unitas 6305 Unitas 6310 Unitas 6311 Unitas 6312 Unitas 6340 Unitas 6342 Unitas 6343 Unitas 6410 Unitas 6411 Unitas 6412 Unitas 6415 Unitas 6450 Unitas 6452 Unitas 6460 Unitas 6500 2nd execution Unitas 176 Unitas 233 Unitas 234 Unitas 285 Unitas 286 Unitas 343 Unitas 376 Unitas 444 Unitas 497 Unitas 498 Unitas 560 Unitas 570 Unitas 600 Unitas 620 Unitas 640 Unitas 650 Unitas 6500
410ISO 31.120	Winding pinion	Unitas 190 Unitas 540 Unitas 550
415ISO 31.020	Ratchet wheel	Unitas 540 Unitas 550
422ISO 81.067	Crown wheel ring	Unitas 190 Unitas 510 Unitas 520 Unitas 521 Unitas 540 Unitas 550
425ISO 51.120	Click	Unitas 540 Unitas 550 Unitas 630 Unitas 6360 Unitas 6365 Unitas 6365N Unitas 6470 Unitas 6475 Unitas 6476 Unitas 6480 Unitas 6480N Unitas 6485 Unitas 6485N Unitas 6486 Unitas 6486N Unitas 6487 Unitas 6488
430ISO 61.080	Click spring	Unitas 540 Unitas 550
710ISO 40.010	Jewelled pallet fork and stat	AS 1051 AV 46 ETA 1302 FEF 270 FHF 62 Felsa 351 INT.S 36 Peseux 280 Unitas 190 Unitas 200 Unitas 200N Unitas 201 Unitas 201N Unitas 630 Unitas 6360 Unitas 6365 Unitas 6365N

Source: original interchangeability lists of Unitas (UT) (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 Unitas 580 (height × diameter × thickness × length) and matching mainspring in our shop:

Unitas 580: 1.45 × 7.5 × 0.08 × 280 mm (GR 3924)

🔗 Movements sharing the most parts

→ All calibers of Unitas (UT)

❓ Frequently asked questions

Which Unitas 580 spare parts also fit other movements?

For the Unitas 580, 11 part numbers are listed as interchangeable. Together they fit 70 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Unitas 580?

The most shared parts: Unitas 540 (7 parts), Unitas 550 (7 parts), Unitas 200N (6 parts).

Which mainspring fits the Unitas 580?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.45 × 7.5 × 0.08 × 280 mm (GR 3924, hand-wound, normal end hook).

Unitas 580 – interchangeable spare parts

🔧 Interchangeable parts

🌀 Matching mainspring

🔗 Movements sharing the most parts

❓ Frequently asked questions

Which Unitas 580 spare parts also fit other movements?

Which movements share the most parts with the Unitas 580?

Which mainspring fits the Unitas 580?

🛠️ For the workshop

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