Seiko watch movements grouped by power/winding type

Hand-winding mechanical:

Seiko Moeris

Seiko Nation

Seiko Type 100 (Daini Seikosha)

Seiko Type 93 (Daini Seikosha)

Seiko Calibre Type 91 (Daini Seikosha - pocket watch movement, Railway pocket watch)

Seiko Calibre 9011 (Daini Seikosha - stop-watch movement)

Seiko Super (S, Suwa Seikosha, 1950.07 - 1956?)

Seiko Unique (U, Daini Seikosha, 1955.06 until at least 1960.02)

Seiko Marvel (M, Suwa Seikosha, 1956.06.10)

Seiko Laurel (L, Suwa Seikosha, 1958.09 - 1960.10)

Seiko Cronos (C, Daini Seikosha, 1958.05 - - Seiko Cronos, Seiko Cronos special finish, Seiko Cronos Self Dater, Seiko Cronos Special)

Seiko Calibre 55 (Suwa Seikosha, 1958.05 - Lord Marvel)

Seiko Calibre 560 movement (Suwa Seikosha, 1959.03 - Crown)

Seiko Calibre 60 (Daini Seikosha, 1960.02 - Goldfeather)

Seiko Calibre 3140 movement family (Suwa Seikosha, 1960.06 - Liner)

Seiko Calibre 62 movement family (Suwa Seikosha, 1960 - Seikomatic, Seikomatic Self-Dater, Seikomatic Weekdater)

Seiko Calibre 66 movement family (Suwa Seikosha - Sportsman, Sportsmatic, Sportsmatic 5)

Seiko Calibre 44 movement family (Daini Seikosha - King Seiko, King Seiko Chronometer, King Seiko Calendar, Grand Seiko)

Seiko Calibre 76 movement family (Daini Seikosha - Champion 850, Champion Calendar 860, Fairway, Sportsmatic Deluxe, Sportsmatic 5 Deluxe)

890A

890B

890C

Seiko Calibre 61 movement family (Suwa Seikosha, 1967 - Skyliner)

Seiko Calibre 19 movement family (Daini Seikosha, 1967 - Chronometer, Grand Seiko, Grand Seiko V.F.A.)

Seiko Calibre 88 movement family (Daini Seikosha, 1968-middle - 1977? - stop-watches)

Seiko Calibre 45 movement family (Daini Seikosha, 1968.09 - King Seiko, King Seiko Calendar, Grand Seiko, Grand Seiko Calendar)

Seiko Switzerland Chronometer Competition Movements

Automatic mechanical:

Seiko Calibre 11A Automatic (AS 1382, Daini Seikosha?, 1955 - First Seiko Automatic)

Seiko Calibre 290/55? (Suwa Seikosha, 1959 - Gyro Marvel)

Seiko Calibre 62 movement family (Suwa Seikosha, 1960 - Seikomatic, Seikomatic Self-Dater, Seikomatic Weekdater)

Seiko Calibre 66 movement family (Suwa Seikosha - Sportsman, Sportsmatic, Sportsmatic 5)

Seiko Calibre 76 movement family (Daini Seikosha - Champion 850, Champion Calendar 860, Fairway, Sportsmatic Deluxe, Sportsmatic 5 Deluxe)

Seiko Calibre 83 movement family (Suwa Seikosha, 1963 - Seikomatic slim, Seikomatic slimdate, Seikomatic-R Calendar, Seikomatic-R Weekdater)

Seiko Calibre 61 movement family (Suwa Seikosha, 1967 - Seiko 5, Grand Seiko)

Seiko Calibre 51 movement family (Daini Seikosha, 1967 - Seikomatic-P/Presmatic)

Seiko Calibre 56 movement family (Suwa Seikosha, 1967.12-1975.07 - Lord Matic, Lord Matic Calendar, Lord Matic Weekdater, Automatic, King Seiko, King Seiko Calendar, King Seiko Weekdater, Grand Seiko)

Seiko Calibre 52 movement family (Daini Seikosha - Lord Matic Special Weekdater, King Seiko Special Calendar, King Seiko Special Weekdater)