Otero 1391 – interchangeable spare parts

Otero 1391 movement

Which spare parts fit the Otero 1391 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.

7Parts with interchange data
9Calibers 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 1391 in our shop

Date Indicator for OTERO 371, 391, 1371, 1391 – Part 2557 – NOSDate Indicator for OTERO 371, 391, 1371, 1391 – Part 2557 – NOS13,90 € incl. VAT *View itemRetaining Plate for Date Disc, OTERO 371, 391, 1371, 1391 – Part 2535Retaining Plate for Date Disc, OTERO 371, 391, 1371, 1391 – Part 253513,90 € incl. VAT *View itemCenter Wheel for OTERO 137, 139, 1371, 1391 – Part 201Center Wheel for OTERO 137, 139, 1371, 1391 – Part 20112,90 € incl. VAT *View itemCrown Wheel for OTERO 37, 39, 58, 137, 139, 371, 391, 581, 1371, 1391 – Part 420Crown Wheel for OTERO 37, 39, 58, 137, 139, 371, 391, 581, 1371, 1391 – Part 4209,95 € incl. VAT *View itemEscape Wheel and Pinion, Part 702, for OTERO 37, 39, 58, 137, 139, 391, 581, 1371, 1391Escape Wheel and Pinion, Part 702, for OTERO 37, 39, 58, 137, 139, 391, 581, 1371, 139114,90 € incl. VAT *View item

🔧 Interchangeable parts

Part no.DescriptionAlso fits
307/1regulator
Otero 37Otero 39Otero 137Otero 139Otero 371Otero 391Otero 1371
415ratchet
Otero 37Otero 39Otero 58Otero 137Otero 139Otero 371Otero 391Otero 581Otero 1371
420crown wheel
Otero 37Otero 39Otero 58Otero 137Otero 139Otero 371Otero 391Otero 581Otero 1371
440Yoke spring
Otero 37Otero 39Otero 137Otero 139Otero 371Otero 391Otero 1371
443+5443Setting lever with screw
Otero 37Otero 39Otero 58Otero 137Otero 139Otero 391Otero 1371
702escape wheel
Otero 37Otero 39Otero 58Otero 137Otero 139Otero 391Otero 581Otero 1371
2535Date indicator guard
Otero 371Otero 391Otero 1371

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 1391 (height × diameter × thickness × length) and matching mainspring in our shop:

🔗 Movements sharing the most parts

→ All calibers of Otero

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