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 1143/1Oscillating Weight OTERO 904 – Part 1143/116,90 € incl. VAT *View itemClick Spring PART 430 for OTERO 27, 37, 62, 162, 262, 70, 844, 48, 904Click Spring PART 430 for OTERO 27, 37, 62, 162, 262, 70, 844, 48, 90414,90 € incl. VAT *View itemCrown Wheel Rings for OTERO 437, 840, 844, 904 – Part 422Crown Wheel Rings for OTERO 437, 840, 844, 904 – Part 42212,90 € incl. VAT *View itemRatchet Wheel Part 415 for OTERO 70, 25, 72, 73, 844, 840, 904, 44, 46Ratchet Wheel Part 415 for OTERO 70, 25, 72, 73, 844, 840, 904, 44, 4612,90 € incl. VAT *View itemRegulator Part 307/1 for OTERO 237, 336, 337, 362, 437, 904Regulator Part 307/1 for OTERO 237, 336, 337, 362, 437, 90411,95 € incl. VAT *View itemClutch Wheel Part 407 for OTERO 70, 280, 840, 844, 790, 796, 904Clutch Wheel Part 407 for OTERO 70, 280, 840, 844, 790, 796, 90412,90 € – 12,95 € incl. VAT *View itemHour Wheel for OTERO 236, 336, 744, 796, 844, 846, 904 – Part 250 / 255Hour Wheel for OTERO 236, 336, 744, 796, 844, 846, 904 – Part 250 / 25511,95 € – 14,95 € incl. VAT *View itemSetting Lever and Screw for OTERO 77 – Part 443 and 5443 – also OTERO 236, 335, 800, 904Setting Lever and Screw for OTERO 77 – Part 443 and 5443 – also OTERO 236, 335, 800, 90410,95 € – 13,95 € incl. VAT *View itemComplete Barrel Part 180/1 for OTERO 77, 79, 782, 792, 904Complete Barrel Part 180/1 for OTERO 77, 79, 782, 792, 90418,90 € – 19,90 € incl. VAT *View itemRotor Screw (Axle Screw) for OTERO 48, 77, 790, 904 – Part 51496Rotor Screw (Axle Screw) for OTERO 48, 77, 790, 904 – Part 5149613,95 € incl. VAT *View itemOTERO 904 Bridge Screws – Part 51142OTERO 904 Bridge Screws – Part 5114212,95 € incl. VAT *View itemClick Screws for OTERO 70, 71, 72, 73, 74, 712, 904 – Part 5425Click Screws for OTERO 70, 71, 72, 73, 74, 712, 904 – Part 542512,95 € incl. VAT *View itemOtero Part 5101 Case Screws for Otero 64, 904, 72, 73, 74, 79, 722Otero Part 5101 Case Screws for Otero 64, 904, 72, 73, 74, 79, 72212,95 € incl. VAT *View itemOscillating Weight Axle for OTERO 904 – Part 1496Oscillating Weight Axle for OTERO 904 – Part 149613,90 € incl. VAT *View itemOTERO 904 Part 1491, Oscillating Weight BoltOTERO 904 Part 1491, Oscillating Weight Bolt14,90 € incl. VAT *View itemPawl Winding Wheel Complete, Part 1488, for OTERO 901 and OTERO 904Pawl Winding Wheel Complete, Part 1488, for OTERO 901 and OTERO 90413,90 € incl. VAT *View itemUpper Bridge for Automatic Device for OTERO 904 – Part 1142Upper Bridge for Automatic Device for OTERO 904 – Part 114214,90 € incl. VAT *View itemSweep Second Wheel and Pinion Part 227 for OTERO 744, 844, 904Sweep Second Wheel and Pinion Part 227 for OTERO 744, 844, 90412,90 € 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 itemClick Part 425 for OTERO 334, 335, 336, 337, 901, 904Click Part 425 for OTERO 334, 335, 336, 337, 901, 90411,95 € – 12,95 € incl. VAT *View itemCrown Wheel for OTERO 800, 801, 900, 901, 904 – Part 420 – EPPLE OTTOCrown Wheel for OTERO 800, 801, 900, 901, 904 – Part 420 – EPPLE OTTO9,95 € incl. VAT *View itemRatchet Wheel PART 415 for OTERO 904 (OTTO / EPPLE) – NOSRatchet Wheel PART 415 for OTERO 904 (OTTO / EPPLE) – 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 itemOTERO 79 Part 710 Jewelled Pallet Fork and Staff, 27, 46, 56, 70 - 79 K, 790 to 904 – NOSOTERO 79 Part 710 Jewelled Pallet Fork and Staff, 27, 46, 56, 70 - 79 K, 790 to 904 – NOS16,90 € incl. VAT *View item

🔧 Interchangeable parts

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

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