Seiko movement calibres list

Super: Suwa: 1950.07 until 1956?

Unique: Daini: 1955.06 until at least 1960.02

11A (AS 1382): First SEIKO Automatic: Daini?: 17 jewels, 21 jewels: 1955

Marvel: Suwa: 1956.06.10 until at least 1960.

5420: Cronos: Daini: 17 jewels, 1958.05 (Special, Self-Dater)

55: Lord Marvel: Suwa: 23 jewels: 1958.05

55? Laurel: Suwa: 1958.09 - 1960.10

57/560: Crown: Suwa: 1959.03 until at least 1965.12 (Special, Self-Dater)

290/55-xx-x: Gyro Marvel (GM): Suwa: 17 jewels: 1959.07

60: Goldfeather: Daini: 1960.02 - 1965?

Champion: Daini: 1960.09 (Calendar)

3140: Liner: Suwa: Hand-winding 1960.06Â

603/6201 (MA): Suwa, 30, 21, 20, 17j: 1960.04-1967.08Â

6220/6222: Skyliner: Suwa: 1961

5440: King Seiko (KS): Daini: 1961.07 - 1965.10 (5010179)

44A family: King Seiko : 44A (1963.10?-1968.09), 4402A (1965.08-1968.08), 4419A, 4420A (490, 1963.12-1966.11), 4420B.

Calibre 62 family:

Calibre 66 family:

Calibre 61 family: