Otero 740 – interchangeable spare parts

Otero 740 movement

Which spare parts fit the Otero 740 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.

21Parts with interchange data
32Calibers 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 740 in our shop

Crown Wheel Rings Part 422 for OTERO 44, 48, 64, 70, 162, 237, 334, 740, 146Crown Wheel Rings Part 422 for OTERO 44, 48, 64, 70, 162, 237, 334, 740, 14612,90 € incl. VAT *View itemSetting Lever and Screw Part 443 and 5443 for OTERO 70, 740, 742, 722, 712Setting Lever and Screw Part 443 and 5443 for OTERO 70, 740, 742, 722, 71213,95 € incl. VAT *View itemBarrel Arbor Part 195 for OTERO 78, 162, 437, 740, 782, 796, 800Barrel Arbor Part 195 for OTERO 78, 162, 437, 740, 782, 796, 80010,95 € – 13,95 € incl. VAT *View itemSetting Lever Screws OTERO 62, Part 5443, for OTERO 70, 79, 840, 162, 77, 335, 740Setting Lever Screws OTERO 62, Part 5443, for OTERO 70, 79, 840, 162, 77, 335, 74012,95 € incl. VAT *View itemSweep Second Wheel and Pinion for OTERO 740, 840 – Part 227, Height 5.13 or 5.15Sweep Second Wheel and Pinion for OTERO 740, 840 – Part 227, Height 5.13 or 5.1512,90 € incl. VAT *View itemThird Wheel and Pinion Part 210 for OTERO 740, 744, 790, 840, 844Third Wheel and Pinion Part 210 for OTERO 740, 744, 790, 840, 84412,90 € incl. VAT *View itemCenter Wheel Part 206 for OTERO 740, 790, 796, 800, 840, 904Center Wheel Part 206 for OTERO 740, 790, 796, 800, 840, 90412,90 € incl. VAT *View itemSetting Wheel for Otero 70-74, 77-79, 177, 712, 722, 740, 742 – Part 450Setting Wheel for Otero 70-74, 77-79, 177, 712, 722, 740, 742 – Part 4509,95 € incl. VAT *View itemCrown Wheel Part 420 for Otero 70, 71, 72, 73, 74, 75, 712, 722, 740, 742, 744, 782Crown Wheel Part 420 for Otero 70, 71, 72, 73, 74, 75, 712, 722, 740, 742, 744, 7829,95 € incl. VAT *View itemRatchet Wheel Part 415 for OTERO 70, 71, 72, 73, 74, 712, 722, 740, 742, 744 – NOSRatchet Wheel Part 415 for OTERO 70, 71, 72, 73, 74, 712, 722, 740, 742, 744 – NOS9,95 € incl. VAT *View itemEscape Wheel for OTERO 844, Part 705, for 740, 744, 840, 846, 904 – NOSEscape Wheel for OTERO 844, Part 705, for 740, 744, 840, 846, 904 – NOS16,90 € incl. VAT *View itemBalance Complete, Part 721/1 for OTERO 844, 740, 744, 790, 794, 796, 840, 846, 904Balance Complete, Part 721/1 for OTERO 844, 740, 744, 790, 794, 796, 840, 846, 90429,90 € incl. VAT *View item

🔧 Interchangeable parts

Part no.DescriptionAlso fits
180barrel with arbor
Otero 744
195barrel arbor
Otero 744
195/5415Barrel arbor
Otero 744
227Sweep second wheel
Height 5,13
Otero 840
260Minute wheel
Otero 70Otero 71Otero 72Otero 73Otero 74Otero 75Otero 76Otero 77Otero 78Otero 712Otero 722Otero 742Otero 744Otero 772Otero 782
307/1regulator
Otero 72Otero 73Otero 74Otero 77Otero 79Otero 79KOtero 722Otero 742Otero 744Otero 772Otero 796Otero 840Otero 844Otero 846
364Stud holder
Otero 72Otero 73Otero 74Otero 77Otero 79Otero 79KOtero 722Otero 742Otero 744Otero 772Otero 796Otero 840Otero 844Otero 846
401Winding stem
Otero 70Otero 71Otero 72Otero 73Otero 74Otero 75Otero 76Otero 77Otero 78Otero 79Otero 79KOtero 712Otero 722Otero 742Otero 744Otero 772Otero 782Otero 790Otero 792Otero 794Otero 795Otero 796Otero 840Otero 844Otero 846Otero 904
407clutch wheel
Otero 70Otero 71Otero 72Otero 73Otero 74Otero 75Otero 76Otero 77Otero 78Otero 79Otero 79KOtero 712Otero 722Otero 742Otero 744Otero 772Otero 782Otero 790Otero 792Otero 794Otero 795Otero 796Otero 840Otero 844Otero 846Otero 904
410Winding pinion
Otero 70Otero 71Otero 72Otero 73Otero 74Otero 75Otero 76Otero 77Otero 78Otero 79Otero 79KOtero 712Otero 722Otero 742Otero 744Otero 772Otero 782Otero 790Otero 792Otero 794Otero 795Otero 796Otero 840Otero 844Otero 846Otero 904
415ratchet
Otero 70Otero 71Otero 72Otero 73Otero 74Otero 712Otero 722Otero 742Otero 744
420crown wheel
Otero 70Otero 71Otero 72Otero 73Otero 74Otero 78Otero 712Otero 722Otero 742Otero 744Otero 782
422Crown wheel ring
Otero 70Otero 71Otero 72Otero 73Otero 74Otero 712Otero 722Otero 742Otero 744
430Click spring
Otero 40Otero 41Otero 45Otero 64Otero 70Otero 71Otero 72Otero 73Otero 74Otero 712Otero 722Otero 742
443+5443Setting lever with screw
Otero 70Otero 71Otero 72Otero 73Otero 74Otero 78Otero 712Otero 722Otero 742
445Art.Nr. 445“
Otero 40Otero 41Otero 48Otero 70Otero 71Otero 72Otero 73Otero 74Otero 712Otero 722Otero 742Otero 744Otero 772Otero 782Otero 790Otero 792Otero 794Otero 840Otero 844Otero 904
450setting wheel
Otero 70Otero 71Otero 72Otero 73Otero 74Otero 77Otero 78Otero 79Otero 177Otero 712Otero 722Otero 742Otero 744Otero 772
705escape wheel
Otero 744Otero 840Otero 844Otero 846Otero 904
721/1balance
Otero 744Otero 790Otero 794Otero 796Otero 840Otero 844Otero 846Otero 904
5101Case screw
Otero 72Otero 73Otero 74Otero 79Otero 722
5443screw no (untere Zeilen teils verdeckt)
Otero 70Otero 71Otero 72Otero 73Otero 74Otero 78Otero 712Otero 722Otero 742

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

🔗 Movements sharing the most parts

→ All calibers of Otero

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