AS 1740 – interchangeable spare parts

A. Schild (AS) 1740 movement

Which spare parts fit the AS 1740 movement? For every part you can see which other calibers use the same part according to the original interchangeability list.

49Parts with interchange data

132Calibers 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 1740 in our shop

Hands Set 100-55, 2.55/4.0 mm for AS 1977, Omega 1100, Peseux 88, Zenith 17407,95 € – 19,95 € incl. VAT *View item

Hands Set 100-55, 5.35/8.05 mm for AS 1977, Omega 1100, Peseux 88, Zenith 17407,95 € – 19,95 € incl. VAT *View item

🔧 Interchangeable parts

Part no.	Description	Also fits
182ISO 20.030	Barrel and cover	AS 1656 AS 1673 AS 1674 AS 1739
206ISO 30.015	Center wheel	AS 1656 AS 1673 AS 1674 AS 1739
211ISO 30.025	Double third wheel	AS 1656 AS 1673 AS 1674 AS 1739
220ISO 30.027	Fourth wheel	AS 1656 AS 1673 AS 1674 AS 1739
245ISO 31.080	Cannon pinion with clam notch	Height 204 AS 1656 AS 1673 AS 1674 AS 1739 Height 230 AS 1656 AS 1673 AS 1674 AS 1739 Height 255 AS 1673 AS 1674 AS 1739
260ISO 31.041	Minute wheel	AS 1673 AS 1674 AS 1739 Height 49 AS 1673 AS 1674 AS 1739
275ISO 30.082	Sweep second pinion	Height 512 AS 1656 AS 1673 AS 1674 AS 1739 Height 535 AS 1656 AS 1673 AS 1674 AS 1739 Height 560 AS 1673 AS 1674 AS 1739
301ISO 40.301	Regulator for flat hairspring	AS 1656 AS 1673 AS 1674 AS 1739
307ISO 40.301	Regulator with adjustable stud holder, for flat hairspring	AS 1673 AS 1674 AS 1739
311ISO 70.800	Upper cap jewel with end-piece	AS 1673 AS 1674 AS 1739
330ISO 70.801	Lower cap jewel with end-piece	AS 1673 AS 1674 AS 1739
336ISO 70.806	Upper cap-jewel with end-piece, for escape wheel	AS 964 AS 969 AS 973 AS 976 AS 1001 AS 1012 AS 1051 AS 1187 AS 1187N AS 1194 AS 1194N AS 1200 AS 1201 AS 1234 AS 1240 AS 1475 AS 1506 AS 1507 AS 1525 AS 1526 AS 1537 AS 1538 AS 1539 AS 1558 AS 1568 AS 1580 AS 1581 AS 1626 AS 1632 AS 1636 AS 1641 AS 1641N AS 1656 AS 1673 AS 1674 AS 1676 AS 1677 AS 1680 AS 1681 AS 1702 AS 1703 AS 1704 AS 1705 AS 1727 AS 1729 AS 1739 AS 1744 AS 1758 AS 1759 AS 1777 AS 1813 AS 1930 AS 1931 ST 1686 ST 1786 1st execution AS 964 AS 969 AS 973 AS 976 AS 984 AS 1001 AS 1002 AS 1012 AS 1017 AS 1017-21 AS 1051 AS 1187 AS 1187N AS 1194 AS 1194N AS 1200 AS 1201 AS 1234 AS 1240 AS 1475 AS 1506 AS 1507 AS 1525 AS 1526 AS 1537 AS 1538 AS 1539 AS 1558 AS 1568 AS 1580 AS 1581 AS 1626 AS 1632 AS 1636 AS 1641 AS 1641N AS 1656 AS 1673 AS 1674 AS 1676 AS 1677 AS 1680 AS 1681 AS 1702 AS 1703 AS 1704 AS 1705 AS 1722 AS 1727 AS 1729 AS 1739 AS 1744 AS 1758 AS 1759 AS 1777 AS 1813 AS 1930 AS 1931 ST 1686 2nd execution AS 964 AS 969 AS 973 AS 976 AS 1001 AS 1012 AS 1051 AS 1123 AS 1124 AS 1156 AS 1187 AS 1187N AS 1194 AS 1194N AS 1200 AS 1201 AS 1234 AS 1240 AS 1475 AS 1506 AS 1507 AS 1525 AS 1526 AS 1537 AS 1538 AS 1539 AS 1558 AS 1568 AS 1580 AS 1581 AS 1626 AS 1632 AS 1636 AS 1641 AS 1641N AS 1656 AS 1673 AS 1674 AS 1676 AS 1677 AS 1680 AS 1681 AS 1702 AS 1703 AS 1704 AS 1705 AS 1727 AS 1729 AS 1739 AS 1744 AS 1758 AS 1759 AS 1777 AS 1813 AS 1930 AS 1931 ST 1686
343ISO 70.891	Bearing plate, for sweep second wheel	AS 1656 AS 1673 AS 1674 AS 1739
401ISO 51.010	Winding stem	AS 1656 AS 1673 AS 1674 AS 1739
404	Stem for waterproof case, with slot	according to original label AS 1656 AS 1673 AS 1674 AS 1739
407ISO 31.121	Clutch wheel	AS 1656 AS 1673 AS 1674 AS 1739 1st execution AS 1656 AS 1673 AS 1674 AS 1739 AS 1780 AS 1781 AS 1782 AS 1783
410ISO 31.120	Winding pinion	AS 1656 AS 1673 AS 1674 AS 1739
415ISO 31.020	Ratchet wheel	AS 1656 AS 1673 AS 1674 AS 1739
420ISO 31.023	Crown wheel	AS 1656 AS 1673 AS 1674 AS 1739
422ISO 81.067	Crown wheel ring	AS 1656 AS 1673 AS 1674 AS 1739
425ISO 51.120	Click	AS 1656 AS 1673 AS 1674 AS 1712 AS 1713 AS 1716 AS 1717 AS 1739 AS 1748 AS 1749 AS 1798 AS 1799 AS 1816 AS 1820 AS 1824 AS 1825 AS 1826 AS 1827 AS 1831 AS 1839 AS 1862 AS 1863 AS 1866 AS 1873 AS 1876 AS 1882 AS 1883 AS 1885 AS 1886 AS 1892 AS 1893 AS 1895 AS 1896 AS 1902 AS 1903 AS 1906 AS 1913 AS 1916 AS 1920 AS 1983 AS 1985 AS 1986 AS 1993 AS 1995 AS 1996 AS 2062 AS 2063 AS 2066 AS 2072 AS 2073 AS 2076 AS 2086 AS 2162 AS 2163 AS 2166 AS 2186
430ISO 61.080	Click spring	AS 1656 AS 1673 AS 1674 AS 1712 AS 1713 AS 1716 AS 1717 AS 1739 AS 1748 AS 1749 AS 1798 AS 1799 AS 1816 AS 1820 AS 1824 AS 1825 AS 1826 AS 1827 AS 1831 AS 1839 AS 1862 AS 1863 AS 1866 AS 1873 AS 1876 AS 1882 AS 1883 AS 1885 AS 1886 AS 1892 AS 1893 AS 1895 AS 1896 AS 1902 AS 1903 AS 1906 AS 1913 AS 1916 AS 1920 AS 1983 AS 1985 AS 1986 AS 1993 AS 1995 AS 1996 AS 2062 AS 2063 AS 2066 AS 2072 AS 2073 AS 2076 AS 2086 AS 2162 AS 2163 AS 2166 AS 2186
435ISO 51.050	Yoke	AS 1656 AS 1673 AS 1674 AS 1739
440ISO 61.100	Yoke spring	AS 1656 AS 1673 AS 1674 AS 1739
443ISO 51.080	Setting lever	AS 1656 AS 1673 AS 1674 AS 1739
443/5443ISO 51.080.06/.01	Setting lever	AS 1656 AS 1673 AS 1674 AS 1739
445ISO 51.090	Setting lever spring	AS 1656 AS 1673 AS 1674 AS 1739
450ISO 31.100	Setting wheel	AS 1656 AS 1673 AS 1674 AS 1739
462ISO 10.062	Minute work cock	AS 1656 2e AS 1673 AS 1674 AS 1739
704ISO 30.040.10	Escape wheel and pinion, for upper end-piece	AS 1656 AS 1673 AS 1674 AS 1739
705ISO 30.040	Escape wheel and pinion	AS 1656 AS 1673 AS 1674 AS 1739
710ISO 40.010	Jewelled pallet fork and stat	AS 1656 AS 1673 AS 1674 AS 1739
1143/1ISO 22.010.06	Oscillating weight	AS 1739
1416ISO 32.070	Lower ratchet wheel	AS 1656 AS 1673 AS 1674 AS 1739
1423ISO 32.083	Driving wheel for ratchet wheel	AS 1656 AS 1673 AS 1674 AS 1739
1480ISO 32.030	Winding-up wheel	AS 1656 AS 1673 AS 1674 AS 1739
1481ISO 32.031	Reduction gear	AS 1656 AS 1673 AS 1674 AS 1739
1488ISO 32.037	Pawl winding wheel	AS 1656 AS 1673 AS 1674 AS 1739
1497ISO 22.040	Ball-bearing	AS 1739
2535ISO 13.105	Date indicator guard	AS 1674
2543ISO 33.011	Intermediate date wheel	AS 1674
2557/1ISO 91.440	Date indicator, transferred	AS 1674
2558ISO 33.010	Double-toothing hour wheel	AS 1674 Height 139 AS 1674 Height 165 AS 1674 Height 190 AS 1674
2575ISO 63.030	Date jumper spring	AS 1674
2576ISO 53.080	Date jumper, mounted	AS 1674
2621ISO 33.029		AS 1711 AS 1713 AS 1715 AS 1717 AS 1749 AS 1799 AS 1838 AS 1839 AS 1861 AS 1863 AS 1871 AS 1873 AS 1881 AS 1883 AS 1893 AS 1901 AS 1903 AS 1911 AS 1913 AS 1981 AS 1983 AS 1993 AS 2061 AS 2063 AS 2073 AS 2084 AS 2086 AS 2161 AS 2163 AS 2184 AS 2186
2632/1ISO 53.040.06	Unlocking yoke for date indicator, mounted	AS 1674
2633ISO 63.012	Unlocking yoke spring for date indicator	AS 1674
51143ISO 22.010.01	Oscillating weight screw	AS 1739

Source: original interchangeability lists of A. Schild (AS) (checked transcription) and checked original spare-part labels · as of 2026-10-17. Height / execution: the part fits only in this height or execution.