Otero 44 – interchangeable spare parts

Otero 44 movement

Which spare parts fit the Otero 44 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.

19Parts with interchange data
21Calibers 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 44 in our shop

Setting Wheel for Minute Wheel for OTERO 25, 27, 125, 44, 46, 146 – Part 451Setting Wheel for Minute Wheel for OTERO 25, 27, 125, 44, 46, 146 – Part 45111,95 € incl. VAT *View item ›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 ›Yoke Spring for OTERO 37, 44, 56, 62, 156, 162, 262, 362, 801 – Part 440Yoke Spring for OTERO 37, 44, 56, 62, 156, 162, 262, 362, 801 – Part 44012,90 € incl. VAT *View item ›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 item ›Lower Crown Wheel Part 421 for OTERO 25, 27, 44, 46, 144, 146, 441Lower Crown Wheel Part 421 for OTERO 25, 27, 44, 46, 144, 146, 44111,90 € incl. VAT *View item ›Ratchet 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 item ›

More items for Otero 44 in our shop →

🔧 Interchangeable parts

Part no.DescriptionAlso fits
195/1Drilled barrel arbor
Otero 144Otero 441Otero 1441
206center wheel
Otero 40Otero 41Otero 45Otero 48Otero 401Otero 411Otero 412Otero 441Otero 481Otero 482
227Sweep second wheel
Height 6,15
Otero 40Otero 41Otero 45Otero 48Otero 140
260Minute wheel
Otero 40Otero 41Otero 45Otero 48Otero 140Otero 144Otero 401Otero 412Otero 441
301Regulator for flat hairspring
Otero 40Otero 41Otero 45Otero 48Otero 140Otero 141Otero 411Otero 412Otero 441
401Winding stem
Otero 45Otero 46Otero 144Otero 146Otero 441Otero 1441
Otero 45Otero 46Otero 144Otero 146Otero 441Otero 1441
411Winding pinion
Otero 46Otero 144Otero 146Otero 441Otero 1441
416Lower ratchet wheel
Otero 45Otero 46Otero 144Otero 146
421Lower crown wheel
Otero 45Otero 46Otero 144Otero 146Otero 441Otero 1441
422Crown wheel ring
Otero 45Otero 46Otero 144Otero 146Otero 441Otero 1441
425click
Otero 46Otero 144Otero 146Otero 441Otero 1441
435clutch lever
Otero 45Otero 46Otero 144Otero 146Otero 441Otero 1441
440Yoke spring
Otero 45Otero 46Otero 144Otero 146Otero 441Otero 1441
443setting lever
Otero 45Otero 144Otero 441Otero 1441
443+5443Setting lever with screw
Otero 45Otero 144Otero 441Otero 1441
445Art.Nr. 445“
Otero 45Otero 46Otero 144Otero 146Otero 441Otero 1441
705escape wheel
Otero 40Otero 41Otero 45Otero 48Otero 140Otero 144Otero 401Otero 412Otero 441
710Jewelled pallet fork and stat
Otero 37Otero 39Otero 40Otero 41Otero 45Otero 48Otero 58Otero 371Otero 391Otero 401
721/1balance
Otero 40Otero 41Otero 45

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

🔗 Movements sharing the most parts

→ All calibers of Otero

❓ Frequently asked questions

Which Otero 44 spare parts also fit other movements?

For the Otero 44, 19 part numbers are listed as interchangeable. Together they fit 21 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Otero 44?

The most shared parts: Otero 45 (17 parts), Otero 441 (16 parts), Otero 144 (15 parts).

Which mainspring fits the Otero 44?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 9.0 × 0.10 × 300 mm (GR 3664, hand-wound, normal end hook).

Can I buy spare parts for the Otero 44?

Yes, Master Watch Parts currently has 17 matching items in stock.

🛠️ For the workshop

Watch Crystal Sternkreuz ATCH, High Domed, Reinforced with Chrome-Plated Ring – NOSWatch Crystal Sternkreuz ATCH, High Domed, Reinforced with Chrome-Plated Ring – NOS11,95 € 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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