Otero 156 – interchangeable spare parts

Otero 156 movement

Which spare parts fit the Otero 156 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.

18Parts 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 156 in our shop

Yoke Spring for OTERO 37, 44, 56, 62, 156, 162, 262, 362, 801 – Part 44012,90 € incl. VAT *View item ›

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

Barrel and Cover for OTERO 56, 156, 62, 64, 70, 77, 365 – Part 18014,95 € incl. VAT *View item ›

Fourth Wheel and Pinion Part 220 for OTERO 25, 27, 56, 125, 127, 156, 25111,90 € incl. VAT *View item ›

Third Wheel and Pinion Part 210 for OTERO 22, 25, 27, 56, 156, 25111,90 € – 12,90 € incl. VAT *View item ›

OTERO Center Wheel Part 201 for OTERO 25, 125, 251, 27, 56, 127, 15612,90 € – 13,90 € incl. VAT *View item ›

More items for Otero 156 in our shop →

🔧 Interchangeable parts

Part no.	Description	Also fits
180	barrel with arbor	Otero 56
195	barrel arbor	Otero 56
195/5415	Barrel arbor	Otero 56
260	Minute wheel	Otero 25 Otero 27 Otero 56 Otero 125 Otero 127 Otero 251
301	Regulator for flat hairspring	Otero 25 Otero 27 Otero 56 Otero 125 Otero 127 Otero 251
401	Winding stem	Otero 37 Otero 39 Otero 56 Otero 62 Otero 162 Otero 236 Otero 237 Otero 262 Otero 336 Otero 337 Otero 362
407	clutch wheel	Otero 56
410	Winding pinion	Otero 56
415	ratchet	Otero 56
420	crown wheel	Otero 56
425	click	Otero 37 Otero 39 Otero 56 Otero 58 Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 137 Otero 391 Otero 712
435	clutch lever	Otero 56
440	Yoke spring	Otero 56
445	Art.Nr. 445“	Otero 56
705	escape wheel	Otero 25 Otero 27 Otero 56 Otero 125 Otero 127 Otero 251
5415	Ratchet wheel screw	Otero 56
5420	Crown wheel screw	Otero 56
5750	Dial screw	Otero 56

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

Otero 156: 1.50 × 7.0 × 0.085 × 240 mm (GR 4086)

🔗 Movements sharing the most parts

→ All calibers of Otero

❓ Frequently asked questions

Which Otero 156 spare parts also fit other movements?

For the Otero 156, 18 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 156?

The most shared parts: Otero 56 (18 parts), Otero 25 (3 parts), Otero 27 (3 parts).

Which mainspring fits the Otero 156?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 7.0 × 0.085 × 240 mm (GR 4086, hand-wound, normal end hook).