Otero 78 – interchangeable spare parts

Otero 78 movement

Which spare parts fit the Otero 78 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.

35Parts with interchange data

48Calibers 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 78 in our shop

Minute Work Cock Part 462 for OTERO 40, 48, 140, 70, 72, 78, 79K, 782, 84412,95 € incl. VAT *View item ›

Crown Wheel Rings for OTERO 37, 365, 40, 78, 58 – Part 422 (2 pcs)9,90 € incl. VAT *View item ›

Barrel Arbor Part 195 for OTERO 78, 162, 437, 740, 782, 796, 80010,95 € – 13,95 € incl. VAT *View item ›

Complete Barrel and Pawl Winding Wheel for OTERO 78, 782, 77, 772 – Part 180/1 & 148829,90 € incl. VAT *View item ›

Support Spring for OTERO 789,90 € incl. VAT *View item ›

Jewel for Oscillating Weight for OTERO 58, 78, 581, 782 – Part 1641 / 164210,90 € incl. VAT *View item ›

More items for Otero 78 in our shop →

🔧 Interchangeable parts

Part no.	Description	Also fits
180	barrel with arbor	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 77 Otero 177 Otero 712 Otero 722 Otero 77 Otero 79 Otero 177 Otero 772 Otero 782 Otero 792 Otero 1772
180/1	barrel with arbor	Otero 77 Otero 79 Otero 177 Otero 772 Otero 782 Otero 792 Otero 1772
180/1+1488	Barrel with arbor	Otero 782
195/5415	Barrel arbor	Otero 782
260	Minute wheel	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 75 Otero 76 Otero 77 Otero 712 Otero 722 Otero 740 Otero 742 Otero 744 Otero 772 Otero 782
301	Regulator for flat hairspring	Otero 46 Otero 70 Otero 71 Otero 712 Otero 782
401	Winding stem	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 75 Otero 76 Otero 77 Otero 79 Otero 79K Otero 712 Otero 722 Otero 740 Otero 742 Otero 744 Otero 772 Otero 782 Otero 790 Otero 792 Otero 794 Otero 795 Otero 796 Otero 840 Otero 844 Otero 846 Otero 904
407	clutch wheel	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 75 Otero 76 Otero 77 Otero 79 Otero 79K Otero 712 Otero 722 Otero 740 Otero 742 Otero 744 Otero 772 Otero 782 Otero 790 Otero 792 Otero 794 Otero 795 Otero 796 Otero 840 Otero 844 Otero 846 Otero 904 Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 77 Otero 79 Otero 177 Otero 712 Otero 782 Otero 792 Otero 840 Otero 844 Otero 1772
410	Winding pinion	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 75 Otero 76 Otero 77 Otero 79 Otero 79K Otero 712 Otero 722 Otero 740 Otero 742 Otero 744 Otero 772 Otero 782 Otero 790 Otero 792 Otero 794 Otero 795 Otero 796 Otero 840 Otero 844 Otero 846 Otero 904
415	ratchet	Otero 48 Otero 77 Otero 79 Otero 772 Otero 792
420	crown wheel	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 712 Otero 722 Otero 740 Otero 742 Otero 744 Otero 782
422	Crown wheel ring	Otero 782
425	click	Otero 77 Otero 79 Otero 79K Otero 177 Otero 790 Otero 792 Otero 794 Otero 796
430	Click spring	Otero 48 Otero 77 Otero 79 Otero 177 Otero 481 Otero 482 Otero 772 Otero 782 Otero 792
435	clutch lever	Otero 40 Otero 41 Otero 48 Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 77 Otero 79 Otero 401 Otero 412 Otero 481
440	Yoke spring	Otero 48 Otero 77 Otero 79 Otero 177 Otero 481
443	setting lever	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74
443+5443	Setting lever with screw	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 712 Otero 722 Otero 740 Otero 742
445	Art.Nr. 445“	Otero 40 Otero 41 Otero 48 Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 77 Otero 79 Otero 401 Otero 412 Otero 481
450	setting wheel	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 77 Otero 79 Otero 177 Otero 712 Otero 722 Otero 740 Otero 742 Otero 744 Otero 772
462	Minute work cock	Otero 70 Otero 71 Otero 712 Otero 782
702	escape wheel	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 77 Otero 79 Otero 177 Otero 712 Otero 722
705	escape wheel	Otero 70 Otero 71 Otero 73 Otero 74 Otero 77 Otero 79 Otero 177 Otero 712 Otero 742 Otero 772
710	Jewelled pallet fork and stat	Otero 25 Otero 27 Otero 46 Otero 56 Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 75 Otero 76 Otero 77 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
771	Mainspring with brake spring	Otero 77 Otero 79 Otero 79K Otero 177 Otero 772 Otero 782 Otero 792 Otero 792K
1142	Bridge for automatique device	Otero 782
1427	Tension click	Otero 58 Otero 581 Otero 782
1428	Stop click	Otero 782
1448	Stop click spring	Otero 58 Otero 581 Otero 782
1488	pawl windig wheel	Otero 782
1491	oscillating	Otero 58 Otero 581 Otero 782
1496	Oscillating weight axle	Otero 782
1641/1642		Otero 58 Otero 581 Otero 782
5125	Pallet cock screw	Otero 70 Otero 71 Otero 712 Otero 782
5443	screw no (untere Zeilen teils verdeckt)	Otero 70 Otero 71 Otero 72 Otero 73 Otero 74 Otero 712 Otero 722 Otero 740 Otero 742

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

Otero 78 Aut: 1.20 × 9.5 × 0.095 × 320 mm (GR 2904-X)

🔗 Movements sharing the most parts

→ All calibers of Otero

❓ Frequently asked questions

Which Otero 78 spare parts also fit other movements?

For the Otero 78, 35 part numbers are listed as interchangeable. Together they fit 48 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the Otero 78?

The most shared parts: Otero 782 (24 parts), Otero 70 (19 parts), Otero 71 (19 parts).

Which mainspring fits the Otero 78?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.20 × 9.5 × 0.095 × 320 mm (GR 2904-X, automatic, with welded slipping bridle).