AS 1287 – interchangeable spare parts

A. Schild (AS) 1287 movement

Which spare parts fit the AS 1287 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

3Parts 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.

🛒 Spare parts for AS 1287 in our shop

Complete Balance Wheel AS 1287 for AS 1287 and AS 1294 – Part 721 – Shock-Resistant – NOS24,90 € incl. VAT *View item ›

🔧 Interchangeable parts

Part no.	Description	Also fits
330NX	Lower cap jewel with end-piece	according to original label AS 1180 AS 1193 AS 1200 AS 1240 AS 1298 AS 1302 AS 1320 AS 1361 AS 1632 AS 1728 AS 1729
407	Clutch wheel	according to original label AS 1294
420	Crown wheel	according to original label AS 1294

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 1287 (height × diameter × thickness × length) and matching mainspring in our shop:

AS 1287: 1.50 × 9.0 × 0.105 × 280 mm (GR 4133)

📄 Technical document

View the original document for AS 1287 online:

AS 1287-1294

🔗 Movements sharing the most parts

→ All calibers of A. Schild (AS)

❓ Frequently asked questions

Which AS 1287 spare parts also fit other movements?

For the AS 1287, 3 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 1287?

The most shared parts: AS 1294 (2 parts), AS 1180 (1 parts), AS 1193 (1 parts).

Which mainspring fits the AS 1287?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 9.0 × 0.105 × 280 mm (GR 4133, hand-wound, normal end hook).