Otero 64 – interchangeable spare parts

Otero 64 movement

Which spare parts fit the Otero 64 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
25Calibers 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 64 in our shop

More items for Otero 64 in our shop →

🔧 Interchangeable parts

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

🔗 Movements sharing the most parts

→ All calibers of Otero

❓ Frequently asked questions

Which Otero 64 spare parts also fit other movements?

For the Otero 64, 7 part numbers are listed as interchangeable. Together they fit 25 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Otero 64?

The most shared parts: Otero 262 (11 parts), Otero 162 (10 parts), Otero 62 (9 parts).

Which mainspring fits the Otero 64?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.30 × 6.0 × 0.07 × 200 mm (GR 3185, hand-wound, normal end hook).

Can I buy spare parts for the Otero 64?

Yes, Master Watch Parts currently has 15 matching items in stock.

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