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| MST | 410, | 411 | | Ligne | 12''' | 12''' |
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 | | Cal. 411 |
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| Remarks: Meyer and Stuedeli SA (MST) first in-house automatic. A very important movement for MST. Features innovative and efficient bidirectional rotor winding, and decoupling of manual and automatic winding mechanisms the subject of 2 new patents with elements carried though to later movements. |
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| Production period: 1949-1956 |
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| Jewels: | 17 | | Beat: | 18000 | | Winding: | automatic | | Manufacturer: | MST |
| | Hand sizes: | | Hour: | 150 | | Minute: | 80 | | Second: | 19 | | | | | Stem tap size: | 90 |
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| Variant: | | | MST 410 | 12''' (26mm) sub seconds at 6 | | MST 411 | 12''' (26mm) indirect sweep seconds |
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| Common parts/Interchange |
| Multiple balance staffs possible: | | MST part number: | 7430, | interchanges with MST: | 367, 410, 411, 422 | | MST part number: | 7431 (inca), | interchanges with MST: | 367, 410, 411, 422 |
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| Multiple mainsprings possible: | | MST part number: | 1268 for barrel diameter 894mm | interchanges with MST: | 410, 411 | | Strength: | 0.0825 | | Height: | 1.30 | | Length: | 240 | | MST part number: | 1277 for barrel diameter 952mm | interchanges with MST: | 410, 411 | | Strength: | 0.0825 | | Height: | 1.30 | | Length: | 255 |
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| Associated Patents: |
| CH272613 | Bi-directional full rotor winding with small lost angle | | Deposited 1948, granted 1950 | | CH274012 | Decoupling of manual and automatic winding mechanisms | | Deposited 1948, granted 1951 |
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