ETA 1320 – interchangeable spare parts

ETA 1320 movement

Which spare parts fit the ETA 1320 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

1Parts with interchange data

13Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of ETA and the original spare-part labels. 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 ETA 1320 in our shop

Setting Lever Spring for ETA 1301 – Part 445 – NOS11,90 € incl. VAT *View item ›

🔧 Interchangeable parts

Part no.	Description	Also fits
445	Setting lever jumper	according to original label ETA 1301 ETA 1302 ETA 1306 ETA 1307 ETA 1308 ETA 1309 ETA 1310 ETA 1311 ETA 1312 ETA 1315 ETA 1316 ETA 1317 ETA 1318

Source: original interchangeability lists of ETA (checked transcription) and checked original spare-part labels · as of 2026-10-28. Height / execution: the part fits only in this height or execution.

🌀 Matching mainspring

Mainspring dimensions for ETA 1320 (height × diameter × thickness × length) and matching mainspring in our shop:

ETA 1320 Aut: 1.35 × 8.0 × 0.085 × 260 mm (GR 3486-X)

🔗 Movements sharing the most parts

→ All calibers of ETA

❓ Frequently asked questions

Which ETA 1320 spare parts also fit other movements?

For the ETA 1320, 1 part numbers are listed as interchangeable. Together they fit 13 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the ETA 1320?

The most shared parts: ETA 1301 (1 parts), ETA 1302 (1 parts), ETA 1306 (1 parts).

Which mainspring fits the ETA 1320?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.35 × 8.0 × 0.085 × 260 mm (GR 3486-X, automatic, with welded slipping bridle).