Becker 111 – interchangeable spare parts

Becker 111 movement

Which spare parts fit the Becker 111 movement? For every part you can see which other calibers use the same part according to the original Becker spare-part labels. We do not have an original interchangeability list from the manufacturer.

13Parts with interchange data
21Calibers sharing parts
Note: We have compiled this overview to the best of our knowledge and belief, based on the original Becker spare-part labels; we do not have an original interchangeability list from the manufacturer. 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.DescriptionAlso fits
255Hour wheel for sweep second
401Winding stem
407Clutch wheel
410Winding pinion
415Ratchet wheel
420Crown wheel
425Click
430Click spring
435Yoke (clutch lever)
440Yoke spring (set spring)
445Setting lever spring (set bridge)
450Setting wheel
710Jewelled pallet fork and staff

Source: checked original Becker spare-part labels · as of 2026-10-18. Height / execution: the part fits only in this height or execution.

🌀 Matching mainspring

Mainspring dimensions for Becker 111 (height × diameter × thickness × length) and matching mainspring in our shop:

🔗 Movements sharing the most parts

→ All calibers of Becker

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