Unitas 481 – interchangeable spare parts

Unitas (UT) 481 movement

Which spare parts fit the Unitas 481 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

2Parts with interchange data

8Calibers 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
224	Fourth wheel	according to original label Unitas 245 Unitas 431 Unitas 445 Unitas 6431 Unitas 6445
710	Jewelled pallet fork and stat	according to original label Unitas 245 Unitas 431 Unitas 432 Unitas 445 Unitas 446 Unitas 6431 Unitas 6445 Unitas 6481

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 481 (height × diameter × thickness × length) and matching mainspring in our shop:

Unitas 481: 1.50 × 15.5 × 0.21 × 480 mm (GR 4365)

🔗 Movements sharing the most parts

→ All calibers of Unitas (UT)

❓ Frequently asked questions

Which Unitas 481 spare parts also fit other movements?

For the Unitas 481, 2 part numbers are listed as interchangeable. Together they fit 8 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Unitas 481?

The most shared parts: Unitas 245 (2 parts), Unitas 431 (2 parts), Unitas 445 (2 parts).

Which mainspring fits the Unitas 481?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 15.5 × 0.21 × 480 mm (GR 4365, hand-wound, normal end hook).