Otero 146 – interchangeable spare parts

Otero 146 movement

Which spare parts fit the Otero 146 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.

16Parts with interchange data

18Calibers 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 146 in our shop

Setting Wheel for Minute Wheel for OTERO 25, 27, 125, 44, 46, 146 – Part 45111,95 € incl. VAT *View item ›

Crown 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, 44111,90 € incl. VAT *View item ›

Winding Pinion Part 411 for OTERO 25, 27, 44, 46, 144, 146, 441, 144111,95 € incl. VAT *View item ›

Cannon Pinion for OTERO 46 and OTERO 146 – Part 24011,90 € incl. VAT *View item ›

Fourth Wheel and Pinion for OTERO 46, OTERO 146 – Part 224 – EPPLE NOS11,90 € incl. VAT *View item ›

More items for Otero 146 in our shop →

🔧 Interchangeable parts

Part no.	Description	Also fits
180	barrel with arbor	Otero 46
195/1	Drilled barrel arbor	Otero 46
260	Minute wheel	Otero 46
301	Regulator for flat hairspring	Otero 74 Otero 77 Otero 79 Otero 177 Otero 742 Otero 772 Otero 792 Otero 1772
364	Stud holder	Otero 72 Otero 73 Otero 74 Otero 77 Otero 79 Otero 79K Otero 177 Otero 722 Otero 742
401	Winding stem	Otero 44 Otero 45 Otero 46 Otero 144 Otero 441 Otero 1441 Otero 44 Otero 45 Otero 46 Otero 144 Otero 441 Otero 1441
411	Winding pinion	Otero 44 Otero 46 Otero 144 Otero 441 Otero 1441
416	Lower ratchet wheel	Otero 44 Otero 45 Otero 46 Otero 144
421	Lower crown wheel	Otero 44 Otero 45 Otero 46 Otero 144 Otero 441 Otero 1441
422	Crown wheel ring	Otero 44 Otero 45 Otero 46 Otero 144 Otero 441 Otero 1441
425	click	Otero 44 Otero 46 Otero 144 Otero 441 Otero 1441
435	clutch lever	Otero 44 Otero 45 Otero 46 Otero 144 Otero 441 Otero 1441
440	Yoke spring	Otero 44 Otero 45 Otero 46 Otero 144 Otero 441 Otero 1441
443+5443	Setting lever with screw	Otero 46
445	Art.Nr. 445“	Otero 44 Otero 45 Otero 46 Otero 144 Otero 441 Otero 1441
705	escape wheel	Otero 46

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

Otero 146: 1.40 × 8.5 × 0.09 × 300 mm (GR 3629)

🔗 Movements sharing the most parts

→ All calibers of Otero

❓ Frequently asked questions

Which Otero 146 spare parts also fit other movements?

For the Otero 146, 16 part numbers are listed as interchangeable. Together they fit 18 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Otero 146?

The most shared parts: Otero 46 (15 parts), Otero 44 (10 parts), Otero 144 (10 parts).

Which mainspring fits the Otero 146?

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).