Otero 70 – interchangeable spare parts
Otero 70 movement
Which spare parts fit the Otero 70 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.
🛒 Spare parts for Otero 70 in our shop
Minute Work Cock Part 462 for OTERO 40, 48, 140, 70, 72, 78, 79K, 782, 84412,95 € incl. VAT *View item ›
Yoke Spring Part 440 for OTERO 40, 41, 70, 48, 77, 64, 140, 48112,95 € incl. VAT *View item ›
Click Spring PART 430 for OTERO 27, 37, 62, 162, 262, 70, 844, 48, 90414,90 € 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 ›
Ratchet Wheel Part 415 for OTERO 70, 25, 72, 73, 844, 840, 904, 44, 4612,90 € incl. VAT *View item ›
Regulator for OTERO 25, 156, 37, 39, 40, 44, 46, 70, 792, 441 – Part 30111,95 € incl. VAT *View item ›🔧 Interchangeable parts
| Part no. | Description | Also fits |
|---|---|---|
| 180 | barrel with arbor | |
| 195/5415 | Barrel arbor | |
| 227 | Sweep second wheel | |
| 260 | Minute wheel | |
| 301 | Regulator for flat hairspring | |
| 401 | Winding stem | |
| 407 | clutch wheel | |
| 410 | Winding pinion | |
| 415 | ratchet | |
| 420 | crown wheel | |
| 422 | Crown wheel ring | |
| 425 | click | |
| 430 | Click spring | |
| 435 | clutch lever | |
| 440 | Yoke spring | |
| 443 | setting lever | |
| 443+5443 | Setting lever with screw | |
| 445 | Art.Nr. 445“ | |
| 450 | setting wheel | |
| 462 | Minute work cock | |
| 702 | escape wheel | |
| 705 | escape wheel | |
| 710 | Jewelled pallet fork and stat | |
| 5125 | Pallet cock screw | |
| 5420 | Crown wheel screw | |
| 5425 | Click screw | |
| 5443 | screw no (untere Zeilen teils verdeckt) |
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 70 (height × diameter × thickness × length) and matching mainspring in our shop:
🔗 Movements sharing the most parts
- Otero 71 (31 parts)
- Otero 73 (28 parts)
- Otero 74 (28 parts)
- Otero 72 (27 parts)
- Otero 712 (24 parts)
- Otero 78 (19 parts)
- Otero 77 (15 parts)
- Otero 722 (15 parts)
- Otero 742 (13 parts)
- Otero 740 (12 parts)
- Otero 79 (11 parts)
- Otero 782 (10 parts)
- Otero 744 (9 parts)
- Otero 772 (7 parts)
- Otero 177 (6 parts)
- Otero 792 (6 parts)
❓ Frequently asked questions
Which Otero 70 spare parts also fit other movements?
For the Otero 70, 27 part numbers are listed as interchangeable. Together they fit 54 other calibers – the table below shows which part fits which movement.
Which movements share the most parts with the Otero 70?
The most shared parts: Otero 71 (31 parts), Otero 73 (28 parts), Otero 74 (28 parts).
Which mainspring fits the Otero 70?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.20 × 9.5 × 0.095 × 340 mm (GR 2905, hand-wound, normal end hook).
Can I buy spare parts for the Otero 70?
Yes, Master Watch Parts currently has 14 matching items in stock.
🛠️ For the workshop
Star Keys, Clock Keys, Winding Keys – Set of 2 (3-5-7-9-11 and 2-4-6-8-10)13,95 € 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 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, Junghans5,95 € – 7,95 € incl. VAT *View item ›