Unitas 287 – interchangeable spare parts

Unitas (UT) 287 movement

Which spare parts fit the Unitas 287 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

9Parts with interchange data

46Calibers 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
240ISO 31.080	Cannon-pinion	Unitas 233 Unitas 234 Unitas 285 Unitas 286 Unitas 444 Unitas 497 Unitas 498 Unitas 6498 Height 265 Unitas 233 Unitas 234 Unitas 285 Unitas 286 Unitas 444 Unitas 497 Unitas 498 Unitas 6497 Unitas 6498 Height 295 Unitas 233 Unitas 234 Unitas 285 Unitas 286 Unitas 444 Unitas 497 Unitas 498 Unitas 6497 Unitas 6498 Height 315 Unitas 233 Unitas 234 Unitas 285 Unitas 286 Unitas 444 Unitas 497 Unitas 498 Unitas 6497 Unitas 6498 Height 335 Unitas 233 Unitas 234 Unitas 285 Unitas 286 Unitas 444 Unitas 497 Unitas 498 Unitas 6497 Unitas 6498
250ISO 31.046	Hour wheel	Unitas 233 Unitas 234 Unitas 285 Unitas 286 Unitas 444 Unitas 497 Unitas 498 Unitas 6498 Height 165 Unitas 233 Unitas 234 Unitas 285 Unitas 286 Unitas 444 Unitas 497 Unitas 498 Unitas 6497 Unitas 6498 Height 200 Unitas 233 Unitas 234 Unitas 285 Unitas 286 Unitas 444 Unitas 497 Unitas 498 Unitas 6497 Unitas 6498 Height 215 Unitas 233 Unitas 234 Unitas 285 Unitas 286 Unitas 444 Unitas 497 Unitas 498 Unitas 6497 Unitas 6498 Height 230 Unitas 233 Unitas 234 Unitas 285 Unitas 286 Unitas 444 Unitas 497 Unitas 498 Unitas 6497 Unitas 6498 Height 235 Unitas 233 Unitas 234 Unitas 285 Unitas 286 Unitas 444 Unitas 497 Unitas 498 Unitas 6498
260ISO 31.041	Minute wheel	Unitas 285 Unitas 286 Unitas 497 Unitas 498 Unitas 6497 Unitas 6498 Unitas 6500 Unitas 6503
311ISO 70.800	Upper cap jewel with end-piece	Unitas 285 2e Unitas 286 Unitas 497 Unitas 498 Unitas 6500
330ISO 70.801	Lower cap jewel with end-piece	1st execution Unitas 200 Unitas 201
336ISO 70.806	Upper cap-jewel with end-piece, for escape wheel	2nd execution Unitas 176 Unitas 199 Unitas 376 Unitas 600 Unitas 640 Unitas 650 Unitas 6300 Unitas 6303 Unitas 6305 Unitas 6310 Unitas 6311 Unitas 6312 Unitas 6320 Unitas 6340 Unitas 6342 Unitas 6343 Unitas 6410 Unitas 6411 Unitas 6412 Unitas 6415 Unitas 6450 Unitas 6452 Unitas 6460
415ISO 31.020	Ratchet wheel	Unitas 285 Unitas 286 Unitas 497 Unitas 498 Unitas 6497 Unitas 6498 Unitas 6500 Unitas 6503
430ISO 61.080	Click spring	Unitas 231 Unitas 233 Unitas 234 Unitas 285 Unitas 286 Unitas 343 Unitas 429 Unitas 429N Unitas 431 Unitas 432 Unitas 444 Unitas 445 Unitas 446 Unitas 497 Unitas 498 Unitas 6431 Unitas 6445 Unitas 6497 Unitas 6498 Unitas 6500 Unitas 6503
445ISO 51.090	Setting lever spring	Unitas 231 Unitas 233 Unitas 285 Unitas 343 Unitas 429 Unitas 429N Unitas 431 Unitas 445 Unitas 497 Unitas 6500

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.

🔗 Movements sharing the most parts

→ All calibers of Unitas (UT)

❓ Frequently asked questions

Which Unitas 287 spare parts also fit other movements?

For the Unitas 287, 9 part numbers are listed as interchangeable. Together they fit 46 other calibers – the table below shows which part fits which movement.