AS 1978 – interchangeable spare parts

A. Schild (AS) 1978 movement

Which spare parts fit the AS 1978 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

26Parts with interchange data

25Calibers 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 1978 in our shop

Hour Wheel for AS 976, 1012, 1234, 1491, 1676, 1677, 1777, 1977, 1978 – Part 25011,95 € – 12,95 € incl. VAT *View item ›

Ratchet Wheel for AS 1012, Part 415 – also fits INT AS 1977-2, 1677, 1777, 1977, 1978, 1978-212,90 € incl. VAT *View item ›

Crown Wheel AS 976 for AS 1012, 1676, 1677, 1777, 1977, 1977-2, 1978, 1978-2 – Part 42013,95 € incl. VAT *View item ›

Minute Wheel for AS 976, 1677, 1977, 1977-2, 1977-5, 1978, 1978-2 – Part 26012,90 € incl. VAT *View item ›

Setting Lever Spring AS 1012, Part 445, for AS 1677, 1777, 1977, 1977-2, 197813,95 € incl. VAT *View item ›

Barrel and Barrel Arbor for AS 1977, 1012, 1677, 1777, 1978 – Parts 180/1, 182 – NOS10,90 € – 20,90 € incl. VAT *View item ›

More items for AS 1978 in our shop →

🔧 Interchangeable parts

Part no.	Description	Also fits
182ISO 20.030	Barrel and cover	AS 1012 AS 1677 AS 1777 AS 1977
201ISO 30.015	Center wheel	AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1978-2
210ISO 30.025	Third wheel	AS 1676 AS 1677 AS 1777 AS 1977
220ISO 30.027	Fourth wheel	AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1978-2
240ISO 31.080	Cannon-pinion	AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-5 AS 1978-2 Height 190 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 215 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 238 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 238according to original label AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1978-2 Durowe 75 Height 273 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 303 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 330 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 420 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 458 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 586 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 620 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2
250ISO 31.046	Hour wheel	AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-5 AS 1978-2 Height 103 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 103according to original label AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1978-2 Durowe 75 Height 128 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 151 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 186 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 216 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 243 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 333 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 365 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 498 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2 Height 530 AS 976 AS 1012 AS 1234 AS 1491 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2
260ISO 31.041	Minute wheel	AS 976 AS 1012 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2
307ISO 40.301	Regulator with adjustable stud holder, for flat hairspring	AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2
311ISO 70.800	Upper cap jewel with end-piece	1st execution AS 1977 AS 1977-2 AS 1978-2
330ISO 70.801	Lower cap jewel with end-piece	1st execution AS 1977 AS 1977-2 AS 1978-2
401ISO 51.010	Winding stem	AS 1012 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1978-2 Peseux 340 Ø 90 LG 1400according to original label AS 1012 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1978-2 Durowe 75 Peseux 340 Peseux 345
407ISO 31.121	Clutch wheel	AS 969 AS 973 AS 976 AS 1012 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2
410ISO 31.120	Winding pinion	AS 976 AS 1012 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1978-2
415ISO 31.020	Ratchet wheel	AS 1012 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2
420ISO 31.023	Crown wheel	AS 976 AS 1012 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2
422ISO 81.067	Crown wheel ring	AS 976 AS 1012 AS 1635 AS 1654 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1978-2
425ISO 51.120	Click	1st execution AS 969 2e AS 973 AS 976 AS 1012 AS 1051 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1978-2
430ISO 61.080	Click spring	AS 1012 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1978-2
435ISO 51.050	Yoke	AS 1012 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2
440ISO 61.100	Yoke spring	AS 1012 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-5 AS 1978-2
443ISO 51.080	Setting lever	AS 1012 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1978-2
443/5443ISO 51.080.06/.01	Setting lever	AS 1012 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1978-2
445ISO 51.090	Setting lever spring	AS 1012 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1978-2 according to original label AS 1012 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-4 AS 1978-2INT 1977-2
450ISO 31.100	Setting wheel	AS 976 AS 1012 AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1977-5 AS 1978-2
705ISO 30.040	Escape wheel and pinion	AS 1676 AS 1677 AS 1777 AS 1977 AS 1977-2 AS 1977-2 INT AS 1978-2
710ISO 40.010	Jewelled pallet fork and stat	AM 382AS 1977 AS 1977-2 AS 1977-2 INT AS 1978-2 AV 39 Felsa 233

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 1978 (height × diameter × thickness × length) and matching mainspring in our shop:

AS 1978: 1.40 × 6.0 × 0.07 × 220 mm (GR 3576-1)

🔗 Movements sharing the most parts

→ All calibers of A. Schild (AS)

❓ Frequently asked questions

Which AS 1978 spare parts also fit other movements?

For the AS 1978, 26 part numbers are listed as interchangeable. Together they fit 25 other calibers – the table below shows which part fits which movement.

Which movements share the most parts with the AS 1978?

The most shared parts: AS 1977 (50 parts), AS 1977-2 (48 parts), AS 1978-2 (48 parts).

Which mainspring fits the AS 1978?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 6.0 × 0.07 × 220 mm (GR 3576-1, hand-wound, special version (1)).