Otero 744 – interchangeable spare parts

Otero 744 movement

Which spare parts fit the Otero 744 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.

20Parts with interchange data

31Calibers 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 744 in our shop

Hour Wheel for OTERO 236, 336, 744, 796, 844, 846, 904 – Part 250 / 25511,95 € – 14,95 € incl. VAT *View item ›

Intermediate Date Wheel 2543 for OTERO 712, 722, 742, 744, 772, 782, 792, 792K, 804, 84412,90 € incl. VAT *View item ›

Sweep Second Wheel and Pinion Part 227 for OTERO 744, 844, 90412,90 € incl. VAT *View item ›

Third Wheel and Pinion Part 210 for OTERO 740, 744, 790, 840, 84412,90 € incl. VAT *View item ›

Crown Wheel Part 420 for Otero 70, 71, 72, 73, 74, 75, 712, 722, 740, 742, 744, 7829,95 € incl. VAT *View item ›

Ratchet Wheel Part 415 for OTERO 70, 71, 72, 73, 74, 712, 722, 740, 742, 744 – NOS9,95 € incl. VAT *View item ›

More items for Otero 744 in our shop →

🔧 Interchangeable parts

Part no.	Description	Also fits
180	barrel with arbor	Otero 740
195	barrel arbor	Otero 740
195/5415	Barrel arbor	Otero 740
227	Sweep second wheel	Height 5,38 Otero 844
245	cannon pinion	Height 2,00 Otero 844 Height 2,03 Otero 742 Otero 794 Otero 844 Otero 904 Height 2,03 Otero 742 Height 2,05 Otero 844
255	hour wheel	Height 1,35 Otero 722 Otero 742 Otero 794 Otero 844 Otero 904
260	Minute wheel	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 75 Otero 76 Otero 77 Otero 78 Otero 712 Otero 722 Otero 740 Otero 742 Otero 772 Otero 782
307/1	regulator	Otero 72 Otero 73 Otero 74 Otero 77 Otero 79 Otero 79K Otero 722 Otero 740 Otero 742 Otero 772 Otero 796 Otero 840 Otero 844 Otero 846
364	Stud holder	Otero 72 Otero 73 Otero 74 Otero 77 Otero 79 Otero 79K Otero 722 Otero 740 Otero 742 Otero 772 Otero 796 Otero 840 Otero 844 Otero 846
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 772 Otero 782 Otero 790 Otero 792 Otero 794 Otero 795 Otero 796 Otero 840 Otero 844 Otero 846 Otero 904
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 772 Otero 782 Otero 790 Otero 792 Otero 794 Otero 795 Otero 796 Otero 840 Otero 844 Otero 846 Otero 904
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 772 Otero 782 Otero 790 Otero 792 Otero 794 Otero 795 Otero 796 Otero 840 Otero 844 Otero 846 Otero 904
415	ratchet	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 712 Otero 722 Otero 740 Otero 742
420	crown wheel	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 78 Otero 712 Otero 722 Otero 740 Otero 742 Otero 782
422	Crown wheel ring	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 712 Otero 722 Otero 740 Otero 742
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 772 Otero 782 Otero 790 Otero 792 Otero 794 Otero 840 Otero 844 Otero 904
450	setting wheel	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 77 Otero 78 Otero 79 Otero 177 Otero 712 Otero 722 Otero 740 Otero 742 Otero 772
705	escape wheel	Otero 740 Otero 840 Otero 844 Otero 846 Otero 904
721/1	balance	Otero 740 Otero 790 Otero 794 Otero 796 Otero 840 Otero 844 Otero 846 Otero 904
2543	Intermediate date wheel	Otero 712 Otero 722 Otero 742 Otero 772 Otero 782 Otero 792 Otero 792K Otero 712 Otero 722 Otero 742 Otero 772 Otero 782 Otero 792 Otero 844

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

🌀 Matching mainspring

Mainspring dimensions for Otero 744 (height × diameter × thickness × length) and matching mainspring in our shop:

Otero 744: 1.20 × 9.0 × 0.105 × 300 mm (GR 2935)

🔗 Movements sharing the most parts

→ All calibers of Otero

❓ Frequently asked questions

Which Otero 744 spare parts also fit other movements?

For the Otero 744, 20 part numbers are listed as interchangeable. Together they fit 31 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Otero 744?

The most shared parts: Otero 740 (16 parts), Otero 742 (16 parts), Otero 844 (14 parts).

Which mainspring fits the Otero 744?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.20 × 9.0 × 0.105 × 300 mm (GR 2935, hand-wound, normal end hook).