Otero 137 – interchangeable spare parts

Otero 137 movement

Which spare parts fit the Otero 137 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.

24Parts with interchange data

22Calibers 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 137 in our shop

Lower Shock Protection Part 381 for OTERO 27, 37, 39, 127, 13711,95 € incl. VAT *View item ›

Train Wheel Bridge for Otero 137 – Part 11013,95 € incl. VAT *View item ›

Hour Wheel Part 250 for OTERO 137, 139, 236, 336, EPPLE – NOS9,95 € incl. VAT *View item ›

Cannon Pinion PART 240 for OTERO 137, 139, 236, 336, 137112,90 € incl. VAT *View item ›

Third Wheel and Pinion Part 210 for OTERO 39, 58, 137, 139, 371, 58112,90 € incl. VAT *View item ›

Center Wheel for OTERO 137, 139, 1371, 1391 – Part 20112,90 € incl. VAT *View item ›

More items for Otero 137 in our shop →

🔧 Interchangeable parts

Part no.	Description	Also fits
180	barrel with arbor	Otero 37 Otero 39 Otero 58 Otero 139 Otero 371 Otero 391 Otero 581 Otero 1371
195	barrel arbor	Otero 37 Otero 39 Otero 58 Otero 139 Otero 371 Otero 391 Otero 581 Otero 1371
195/5415	Barrel arbor	Otero 37 Otero 39 Otero 58 Otero 139 Otero 371 Otero 391 Otero 581 Otero 1371
201	center wheel	Otero 139
210	third wheel	Otero 37 Otero 39 Otero 58 Otero 139 Otero 371 Otero 391 Otero 581 Otero 1371
260	Minute wheel	Otero 37 Otero 39 Otero 58 Otero 139 Otero 371 Otero 391 Otero 581 Otero 1371
301	Regulator for flat hairspring	Otero 37 Otero 39 Otero 58 Otero 139 Otero 371 Otero 391 Otero 581 Otero 1371
307/1	regulator	Otero 37 Otero 39 Otero 139 Otero 371 Otero 391 Otero 1371 Otero 1391
364	Stud holder	Otero 27 Otero 37 Otero 39 Otero 127 Otero 139 Otero 371 Otero 391 Otero 1371
381	Shock protection, lower	Otero 27 Otero 37 Otero 39 Otero 127
407	clutch wheel	Otero 37 Otero 39 Otero 58 Otero 139 Otero 371 Otero 391 Otero 581 Otero 1371
410	Winding pinion	Otero 37 Otero 39 Otero 58 Otero 139 Otero 371 Otero 391 Otero 581 Otero 1371
415	ratchet	Otero 37 Otero 39 Otero 58 Otero 139 Otero 371 Otero 391 Otero 581 Otero 1371 Otero 1391
420	crown wheel	Otero 37 Otero 39 Otero 58 Otero 139 Otero 371 Otero 391 Otero 581 Otero 1371 Otero 1391
422	Crown wheel ring	Otero 37 Otero 39 Otero 58 Otero 139 Otero 371 Otero 391 Otero 581 Otero 1371
425	click	Otero 37 Otero 39 Otero 56 Otero 58 Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 156 Otero 391 Otero 712
430	Click spring	Otero 37 Otero 39 Otero 58 Otero 62 Otero 162 Otero 262 Otero 37 Otero 39 Otero 58 Otero 139 Otero 371 Otero 391 Otero 581 Otero 1371
440	Yoke spring	Otero 37 Otero 39 Otero 139 Otero 371 Otero 391 Otero 1371 Otero 1391
443	setting lever	Otero 37 Otero 39 Otero 58 Otero 139 Otero 37 Otero 39 Otero 58 Otero 139
443+5443	Setting lever with screw	Otero 37 Otero 39 Otero 58 Otero 139 Otero 391 Otero 1371 Otero 1391 Otero 37 Otero 39 Otero 58 Otero 139
445	Art.Nr. 445“	Otero 37 Otero 39 Otero 58 Otero 139 Otero 371 Otero 391 Otero 581 Otero 1371
702	escape wheel	Otero 37 Otero 39 Otero 58 Otero 139 Otero 391 Otero 581 Otero 1371 Otero 1391
705	escape wheel	Otero 37 Otero 371 Otero 1371
721/1	balance	Height 2,75 Otero 37 Otero 39 Otero 139 Otero 371 Height 2,85 Otero 37 Otero 39 Otero 139 Otero 371

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

Otero 137: 1.30 × 6.5 × 0.085 × 200 mm (GR 3209)

🔗 Movements sharing the most parts

→ All calibers of Otero

❓ Frequently asked questions

Which Otero 137 spare parts also fit other movements?

For the Otero 137, 24 part numbers are listed as interchangeable. Together they fit 22 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Otero 137?

The most shared parts: Otero 37 (27 parts), Otero 39 (26 parts), Otero 139 (24 parts).

Which mainspring fits the Otero 137?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.30 × 6.5 × 0.085 × 200 mm (GR 3209, hand-wound, normal end hook).