Otero 251 – interchangeable spare parts

Otero 251 movement

Which spare parts fit the Otero 251 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.

11Parts with interchange data
6Calibers 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 251 in our shop

Rocking Bar Spring Part 439 for OTERO 22, 25, 27, 125, 127, 251, 44Rocking Bar Spring Part 439 for OTERO 22, 25, 27, 125, 127, 251, 4410,90 € incl. VAT *View item ›Rocking Bar Part 437 for OTERO 22, 25, 27, 125, 127, 251Rocking Bar Part 437 for OTERO 22, 25, 27, 125, 127, 25113,95 € incl. VAT *View item ›Barrel Arbor Part 195 for OTERO 25, 37, 39, 40, 412, 44, 441, 251Barrel Arbor Part 195 for OTERO 25, 37, 39, 40, 412, 44, 441, 25110,95 € – 12,95 € incl. VAT *View item ›Date Indicator Disc for OTERO 251, 411, 441, 481 – Part 2557 – NOSDate Indicator Disc for OTERO 251, 411, 441, 481 – Part 2557 – NOS13,90 € incl. VAT *View item ›Calendar Driving Wheel for OTERO 251 – Part 2555Calendar Driving Wheel for OTERO 251 – Part 255512,90 € incl. VAT *View item ›OTERO Cannon Pinion Part 240 for OTERO 25, 125, 251, 27, 56, 127OTERO Cannon Pinion Part 240 for OTERO 25, 125, 251, 27, 56, 12711,90 € – 12,90 € incl. VAT *View item ›

More items for Otero 251 in our shop →

🔧 Interchangeable parts

Part no.DescriptionAlso fits
195/1Drilled barrel arbor
Otero 25Otero 125
201center wheel
Otero 25Otero 125
240cannon pinion
Height 3,00
Otero 25Otero 125
260Minute wheel
Otero 25Otero 27Otero 56Otero 125Otero 127Otero 156
301Regulator for flat hairspring
Otero 25Otero 27Otero 56Otero 125Otero 127Otero 156
421Lower crown wheel
Otero 25Otero 27Otero 125Otero 127
425click
Otero 25Otero 27Otero 125Otero 127
437Rocking bar
Otero 25Otero 27Otero 125Otero 127
439Rocking bar spring
Otero 25Otero 125
445Art.Nr. 445“
Otero 25Otero 27Otero 127
705escape wheel
Otero 25Otero 27Otero 56Otero 125Otero 127Otero 156

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 251 spare parts also fit other movements?

For the Otero 251, 11 part numbers are listed as interchangeable. Together they fit 6 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Otero 251?

The most shared parts: Otero 25 (11 parts), Otero 125 (10 parts), Otero 27 (7 parts).

Can I buy spare parts for the Otero 251?

Yes, Master Watch Parts currently has 11 matching items in stock.

🛠️ For the workshop

Watch Crystal Sternkreuz ATCR, Domed, Reinforced with Chrome Ring – NOSWatch Crystal Sternkreuz ATCR, Domed, Reinforced with Chrome Ring – NOS10,90 € incl. VAT *View item ›Watch Key Clock Winding Key – Size 0 2.25mmWatch Key Clock Winding Key – Size 0 2.25mm5,99 € – 7,95 € incl. VAT *View item ›Watch Gasket Hytrel I-Ring Seal for Flat Round Mineral Crystals 16-40 mm, H: 0.6, 0.8, 0.85, 1.25, 1.7 mmWatch Gasket Hytrel I-Ring Seal for Flat Round Mineral Crystals 16-40 mm, H: 0.6, 0.8, 0.85, 1.25, 1.7 mm5,95 € – 9,95 € incl. VAT *View item ›
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