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The Movement Clinic

Which Tudor movement do you actually have?

Type the reference off the caseback, the rehaut under the crystal, or the guarantee card — or, if it's a current in-house calibre with no reference in this dataset yet, just the model name.

Reference numbers work for vintage and Modern ETA watches. Current in-house (MT) calibres are looked up by model name instead — try "Pelagos" or "Black Bay 58".

I don't know my reference

Look for it in one of three places:

  • Caseback — stamped into the metal on the back of the watch.
  • Rehaut — engraved on the inner ring under the crystal, on most watches made since the late 2010s. Often prefixed with an "M".
  • Guarantee card — printed in the reference field of the card that came with the watch.

Still not sure? Browse by era instead

Enter a reference or model above, or browse by era.

The Movement Clinic is an independent publication by Timekeeper PH. It is not affiliated with, endorsed by, or connected to Tudor or the Rolex Group.