Otero 904 – interchangeable spare parts

Otero 904 movement

Which spare parts fit the Otero 904 movement? For every part you can see which other calibers use the same part according to the original Otero spare-part labels. We do not have an original interchangeability list from the manufacturer.

12Parts with interchange data

39Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original Otero 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.

🛒 Spare parts for Otero 904 in our shop

Oscillating Weight OTERO 904 – Part 1143/116,90 € incl. VAT *View item ›

Click Spring PART 430 for OTERO 27, 37, 62, 162, 262, 70, 844, 48, 90414,90 € incl. VAT *View item ›

Crown Wheel Rings for OTERO 437, 840, 844, 904 – Part 42212,90 € incl. VAT *View item ›

Ratchet Wheel Part 415 for OTERO 70, 25, 72, 73, 844, 840, 904, 44, 4612,90 € incl. VAT *View item ›

Regulator Part 307/1 for OTERO 237, 336, 337, 362, 437, 90411,95 € incl. VAT *View item ›

Clutch Wheel Part 407 for OTERO 70, 280, 840, 844, 790, 796, 90412,90 € – 12,95 € incl. VAT *View item ›

More items for Otero 904 in our shop →

🔧 Interchangeable parts

Part no.	Description	Also fits
245	cannon pinion	Height 2,03 Otero 742 Otero 744 Otero 794 Otero 844
255	hour wheel	Height 1,35 Otero 722 Otero 742 Otero 744 Otero 794 Otero 844
401	Winding stem	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 75 Otero 76 Otero 77 Otero 78 Otero 79 Otero 79K Otero 712 Otero 722 Otero 740 Otero 742 Otero 744 Otero 772 Otero 782 Otero 790 Otero 792 Otero 794 Otero 795 Otero 796 Otero 840 Otero 844 Otero 846
407	clutch wheel	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 75 Otero 76 Otero 77 Otero 78 Otero 79 Otero 79K Otero 712 Otero 722 Otero 740 Otero 742 Otero 744 Otero 772 Otero 782 Otero 790 Otero 792 Otero 794 Otero 795 Otero 796 Otero 840 Otero 844 Otero 846
410	Winding pinion	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 75 Otero 76 Otero 77 Otero 78 Otero 79 Otero 79K Otero 712 Otero 722 Otero 740 Otero 742 Otero 744 Otero 772 Otero 782 Otero 790 Otero 792 Otero 794 Otero 795 Otero 796 Otero 840 Otero 844 Otero 846
420	crown wheel	Otero 800
443/5	Setting lever	Otero 800
445	Art.Nr. 445“	Otero 40 Otero 41 Otero 48 Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 712 Otero 722 Otero 740 Otero 742 Otero 744 Otero 772 Otero 782 Otero 790 Otero 792 Otero 794 Otero 840 Otero 844
705	escape wheel	Otero 740 Otero 744 Otero 840 Otero 844 Otero 846
710	Jewelled pallet fork and stat	Otero 25 Otero 27 Otero 46 Otero 56 Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 75 Otero 76 Otero 77 Otero 78 Otero 79 Otero 79K Otero 790 Otero 792 Otero 794 Otero 795 Otero 796 Otero 797 Otero 800 Otero 801 Otero 840 Otero 844 Otero 845 Otero 846 Otero 847 Otero 901
721/1	balance	Otero 740 Otero 744 Otero 790 Otero 794 Otero 796 Otero 840 Otero 844 Otero 846
1488	pawl windig wheel	Otero 901

Source: checked original Otero spare-part labels · as of 2026-10-17. Height / execution: the part fits only in this height or execution.

🔗 Movements sharing the most parts

→ All calibers of Otero

❓ Frequently asked questions

Which Otero 904 spare parts also fit other movements?

For the Otero 904, 12 part numbers are listed as interchangeable. Together they fit 39 other calibers – the table below shows which part fits which movement.