AS 1131 – interchangeable spare parts

A. Schild (AS) 1131 movement

Which spare parts fit the AS 1131 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

1Parts with interchange data

12Calibers sharing parts

Note: We have compiled this overview to the best of our knowledge and belief, based on the original interchangeability lists of A. Schild (AS) 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.

🔧 Interchangeable parts

Part no.	Description	Also fits
445	Setting lever spring	according to original label AS 1146 AS 1200 AS 1201 AS 1356 AS 1356N AS 1363 AS 1378 AS 1378N AS 1525 AS 1526 AS 1758 AS 1759

Source: original interchangeability lists of A. Schild (AS) (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 AS 1131 (height × diameter × thickness × length) and matching mainspring in our shop:

AS 1131: 1.80 × 8.0 × 0.095 × 260 mm (GR 5241)

🔗 Movements sharing the most parts

→ All calibers of A. Schild (AS)

❓ Frequently asked questions

Which AS 1131 spare parts also fit other movements?

For the AS 1131, 1 part numbers are listed as interchangeable. Together they fit 12 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the AS 1131?

The most shared parts: AS 1146 (1 parts), AS 1200 (1 parts), AS 1201 (1 parts).

Which mainspring fits the AS 1131?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.80 × 8.0 × 0.095 × 260 mm (GR 5241, hand-wound, normal end hook).