Otero 46 – interchangeable spare parts

Otero 46 movement

Which spare parts fit the Otero 46 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

37Calibers 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 46 in our shop

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

Lower 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, 4612,90 € incl. VAT *View item ›

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

Regulator for OTERO 25, 156, 37, 39, 40, 44, 46, 70, 792, 441 – Part 30111,95 € incl. VAT *View item ›

Minute Wheel Part 260 for OTERO 46, 62, 64, 162, 70, 72, 742, 236, 796, 84612,95 € incl. VAT *View item ›

More items for Otero 46 in our shop →

🔧 Interchangeable parts

Part no.	Description	Also fits
180	barrel with arbor	Otero 146
195/1	Drilled barrel arbor	Otero 146
260	Minute wheel	Otero 146
301	Regulator for flat hairspring	Otero 70 Otero 71 Otero 78 Otero 712 Otero 782
401	Winding stem	Otero 44 Otero 45 Otero 144 Otero 146 Otero 441 Otero 1441 Otero 44 Otero 45 Otero 144 Otero 146 Otero 441 Otero 1441
411	Winding pinion	Otero 44 Otero 144 Otero 146 Otero 441 Otero 1441
416	Lower ratchet wheel	Otero 44 Otero 45 Otero 144 Otero 146
421	Lower crown wheel	Otero 44 Otero 45 Otero 144 Otero 146 Otero 441 Otero 1441
422	Crown wheel ring	Otero 44 Otero 45 Otero 144 Otero 146 Otero 441 Otero 1441
425	click	Otero 44 Otero 144 Otero 146 Otero 441 Otero 1441
435	clutch lever	Otero 44 Otero 45 Otero 144 Otero 146 Otero 441 Otero 1441
440	Yoke spring	Otero 44 Otero 45 Otero 144 Otero 146 Otero 441 Otero 1441
443+5443	Setting lever with screw	Otero 146
445	Art.Nr. 445“	Otero 44 Otero 45 Otero 144 Otero 146 Otero 441 Otero 1441
705	escape wheel	Otero 146
710	Jewelled pallet fork and stat	Otero 25 Otero 27 Otero 56 Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 75 Otero 76 Otero 77 Otero 78 Otero 79 Otero 79K Otero 790 Otero 792 Otero 794 Otero 795 Otero 796 Otero 797 Otero 800 Otero 801 Otero 840 Otero 844 Otero 845 Otero 846 Otero 847 Otero 901 Otero 904

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

Otero 46: 1.40 × 9.5 × 0.095 × 340 mm (GR 3652)

🔗 Movements sharing the most parts

→ All calibers of Otero

❓ Frequently asked questions

Which Otero 46 spare parts also fit other movements?

For the Otero 46, 16 part numbers are listed as interchangeable. Together they fit 37 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Otero 46?

The most shared parts: Otero 146 (15 parts), Otero 44 (10 parts), Otero 144 (10 parts).

Which mainspring fits the Otero 46?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 9.5 × 0.095 × 340 mm (GR 3652, hand-wound, normal end hook).