Otero 401 – interchangeable spare parts

Otero 401 movement

Which spare parts fit the Otero 401 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
27Calibers 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 401 in our shop

Winding Stem OTERO Part 401 – Large Selection, OTERO OTTO EPORA #401Winding Stem OTERO Part 401 – Large Selection, OTERO OTTO EPORA #40111,90 € incl. VAT *View item ›Minute Wheel Part 260 for OTERO 25, 27, 56, 37, 39, 1371, 40, 140, 401, 441Minute Wheel Part 260 for OTERO 25, 27, 56, 37, 39, 1371, 40, 140, 401, 44112,95 € incl. VAT *View item ›Date Indicator Part 2557 for OTERO 401, 411, 441, 481 – NOSDate Indicator Part 2557 for OTERO 401, 411, 441, 481 – NOS13,90 € incl. VAT *View item ›Date Jumper for OTERO 401, OTERO 44, OTERO 144 – Part 2576Date Jumper for OTERO 401, OTERO 44, OTERO 144 – Part 257612,95 € incl. VAT *View item ›Calendar Driving Wheel Part 2555 for OTERO 401, 411, 441, 481Calendar Driving Wheel Part 2555 for OTERO 401, 411, 441, 48112,90 € incl. VAT *View item ›Retaining Plate for Date Disc for OTERO 401, 411, 412, 481 – Part 2535Retaining Plate for Date Disc for OTERO 401, 411, 412, 481 – Part 253513,90 € incl. VAT *View item ›

More items for Otero 401 in our shop →

🔧 Interchangeable parts

Part no.DescriptionAlso fits
180barrel with arbor
Otero 40Otero 41Otero 48Otero 140Otero 141Otero 411Otero 412Otero 481
195/5415Barrel arbor
Otero 40Otero 41Otero 140Otero 141Otero 411Otero 412Otero 1412
206center wheel
Otero 40Otero 41Otero 44Otero 45Otero 48Otero 411Otero 412Otero 441Otero 481Otero 482
245cannon pinion
Height 2,50
Otero 441Otero 481
260Minute wheel
Otero 40Otero 41Otero 44Otero 45Otero 48Otero 140Otero 144Otero 412Otero 441
407clutch wheel
Otero 40Otero 41Otero 45Otero 48Otero 140Otero 141Otero 411Otero 412Otero 481
410Winding pinion
Otero 40Otero 41Otero 412
415ratchet
Otero 40Otero 41Otero 412
420crown wheel
Otero 40Otero 41Otero 412
422Crown wheel ring
Otero 40Otero 41Otero 140Otero 141Otero 411Otero 412Otero 1412
425click
Otero 40Otero 41Otero 45Otero 140Otero 141Otero 411Otero 412Otero 1412
435clutch lever
Otero 40Otero 41Otero 48Otero 70Otero 71Otero 72Otero 73Otero 74Otero 77Otero 78Otero 79Otero 412Otero 481
445Art.Nr. 445“
Otero 40Otero 41Otero 48Otero 70Otero 71Otero 72Otero 73Otero 74Otero 77Otero 78Otero 79Otero 412Otero 481
702escape wheel
Otero 40Otero 41Otero 45Otero 48Otero 140Otero 141Otero 411Otero 412Otero 481
705escape wheel
Otero 40Otero 41Otero 44Otero 45Otero 48Otero 140Otero 144Otero 412Otero 441
710Jewelled pallet fork and stat
Otero 37Otero 39Otero 40Otero 41Otero 44Otero 45Otero 48Otero 58Otero 371Otero 391
721Balance with flat hairspring, regulated
Otero 40Otero 41Otero 140Otero 141
2535Date indicator guard
Otero 411Otero 412Otero 481
2555Calendar driving wheel
Otero 411Otero 441Otero 481

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

🔗 Movements sharing the most parts

→ All calibers of Otero

❓ Frequently asked questions

Which Otero 401 spare parts also fit other movements?

For the Otero 401, 19 part numbers are listed as interchangeable. Together they fit 27 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Otero 401?

The most shared parts: Otero 40 (16 parts), Otero 41 (16 parts), Otero 412 (15 parts).

Which mainspring fits the Otero 401?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 8.5 × 0.09 × 300 mm (GR 3629, hand-wound, normal end hook).

Can I buy spare parts for the Otero 401?

Yes, Master Watch Parts currently has more than 20 matching items in stock.

🛠️ For the workshop

Kienzle Watch Key (Winding Key) for Kienzle Movement 421Kienzle Watch Key (Winding Key) for Kienzle Movement 42119,90 € 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 ›Red Teflon Hard Gasket For Watch Caseback Multi Size Listing Ø 16-42. Suitable for many brand watches such as Omega, Tissot, JunghansRed Teflon Hard Gasket For Watch Caseback Multi Size Listing Ø 16-42. Suitable for many brand watches such as Omega, Tissot, Junghans5,95 € – 7,95 € incl. VAT *View item ›
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