====== Seiko calibres ====== {{wst>author|[[Foskett, Stephen|Stephen Foskett]] ([[https://grail-watch.com/|Grail Watch]])}} [[Seiko]] is one of the few completely-integrated [[manufacture]]s of [[watch]]es. ===== Hand Winding ===== As with Seiko's watches, there were two "streams" of movements from the two Seiko watch companies, [[Seiko Group|Suwa and Daini]]. * Suwa * [[Seiko Marvel|Seiko Marvel/Gyro Marvel/290]] (1956-1959) - Suwa * [[Seiko 3180|Seiko 560/3180]] (1960-1964) - Suwa, 28 mm, 18,000 A/h, used in [[Grand Seiko (1960)|Grand Seiko]] * [[Seiko 66|Seiko 436/4361/957/410/66/6602/6606]] (1961-1967) - Suwa, 24.1 mm, 17, 19, or 21 jewels, 18,000 A/h * [[Seiko 5700|Seiko 430/5700/5722]] (1963-1969) - Suwa, 28 mm, "self-dater", 18,000/19,800/36,000 A/h, used in [[Grand Seiko 57GS]], Lord Marvell * Daini * [[Seiko Cronos|Seiko Cronos/54A]] * [[Seiko Goldfeather|Seiko 60A]] (1960) - Daini Goldfeather * [[Seiko 4400]] (1964-1968) - Daini, 26 mm, 18,000 A/h, used in [[King Seiko 44KS]], [[Grand Seiko 44GS]] * [[Seiko 4500]] (1968-1973) - Daini, 27.4 mm, 25 jewels, 36,000 A/h, used in [[King Seiko 45KS]], [[Grand Seiko 45GS]] * [[Seiko 6800]] (1969-Present) - 21/22/26 jewels, ultra-thin * Modern * [[Seiko 4S15|Seiko 4S15 family]] (1992-2013) - 21-31 jewels, 28,000 A/h (hand-winding variant of automatic family) * [[Seiko 9S55|Seiko 8L/9S family]] (1998-Present) - 28,800 or 36,000 A/h, used in [[Grand Seiko]] (hand-winding variant of automatic family) ===== Automatic ===== As with Seiko's watches, there were two "streams" of movements from the two Seiko watch companies, [[Seiko Group|Suwa and Daini]], and frequently two more streams, 26 mm and a larger size nearer to 28 mm. ==== Basic Automatic ==== Seiko's basic automatics are marked by slower speed (18,000 or 21,600), less features than contemporaries (hacking, hand-winding, complications), fewer jewels, and use in budget models. * Suwa large * [[Seiko 6600|Seiko 245/660/790/2451/6600]] (1961-1967) - Suwa, 28.1 mm, 17, 19, or 21 jewels, 18,000 A/h, used in Sportsmatic and SilverWave * [[Seiko 6300]] (1976-1988) - Suwa, 27.4 mm, 17/21/23 jewels, 21,600 A/h, used in Five * Daini small * [[Seiko 7000]] (1968-1990's) - Daini, 26 mm, 17/21 jewels, 21,600 A/h, used in Automatic, Five Sports, Chronograph, Actus * [[Seiko 7S26|Seiko 7S26 family]] (1996-Present) - 21/23 jewels, 21,600 A/h, used in Five * [[Seiko 4R35|Seiko 4R35 family]] (2010-Present) - 23/24 jewels, 21,600 A/h * Alarm * [[Seiko 4006]] (1967-1978) - Suwa, 31.2 mm, 17/21/27 jewels, 19,200 A/h, alarm function, used in [[Seiko Bell-Matic|Bell-Matic]] and [[Seiko Business Bell|Business Bell]] ==== Midrange Automatic ==== Seiko's midrange movements are characterized by better performance and use in higher-end models. * Suwa Large * [[Seiko 6200|Seiko 394/395/400/603/6200]] (1960-1969) - Suwa, 28 mm, 17 to 39 jewels, 18,000 A/h, used in Seikomatic, "daters", [[Grand Seiko 62GS]] * [[Seiko 8300|Seiko 830/840/8300]] (1963-1969) - Suwa, 29 mm, 27, 30, or 39 jewels, used in Seikomatic and Business * Daini Large * [[Seiko 7600|Seiko 820/7600]] (1963-1969) - Daini, 28 mm, 17, 23, or 25 jewels, used in Sportsmatic Deluxe * Daini Small * [[Seiko 5100]] (1967-1971) - Daini, 26 mm, 23/27/30/33 jewels, used in Seikomatic, New Five, Presmatic * [[Seiko 4R15|Seiko 4R15 family]] (2008-Present) - 22 jewels, 21,600 A/h, used in Superior, SRP * [[Seiko 6R15|Seiko 6R15 family]] (2006-Present) - 23/29/31 jewels, 21,600 or 28,000 A/h ==== High-End Automatic ==== * Suwa large * [[Seiko 11A|Seiko 11A/290]] (1955-1960) - Seiko's first automatic movement, 17 or 21 jewels (based on Swiss AS 1382) * [[Seiko 6100]] (1967-1979) - Suwa, 27.4 mm, 17/21/23/25 jewels, 21,600 or 36,000 A/h, used in Five, Diver, World Time, [[Grand Seiko 61GS]] * Suwa small * [[Seiko 5600]] (1967-1977) - Suwa, 26 mm, 23/25 jewels, 21,600 or 28,800 A/h, used in Lord Matic, Chronometer, [[King Seiko 56KS]], [[Grand Seiko 56GS]] * Daini Thin and Small * [[Seiko 5200]] (1970-1977) - Daini, 26 mm, 23/25 jewels, 28,800 A/h, used in Lord Matic, [[King Seiko 52KS]] * [[Seiko 4S15|Seiko 4S family]] (1992-2013) - 21-31 jewels, 28,000 A/h (closely related to 5200 family) * [[Seiko 4L25|Seiko 4L family]] (1990's-2000's) - 25 jewels, thin (rights sold to [[Soprod]] as their [[Soprod A-10|A-10]]) * Modern * [[Seiko 9S55|Seiko 8L/9S family]] (1998-Present) - 28,800 or 36,000 A/h, used in [[Grand Seiko]] ==== Automatic Chronograph ==== * [[Seiko 6139|Seiko 6139 family]] (1969-1979) - Suwa, 27.4 mm, 21,600 A/h, automatic column wheel, vertical clutch chronograph * [[Seiko 7000|Seiko 7015 family]] (1971-1990's) - Daini, 26 mm, 21/23 jewels, 21,600 A/h, cam-switched chronograph * [[Seiko 6S78|Seiko 6S78 family]] (1998-Present) - 34/35/40 jewels, 28,800 A/h, column wheel chronograph * [[Seiko 8R28|Seiko 8R28 family]] (2008-Present) - 34 jewels, 28,800 A/h, 3-clutch column wheel chronograph ===== Spring Drive ===== * [[Seiko 7R|Seiko 7R Spring Drive]] (1999-Present) - [[Seiko Credor|Credor]] * [[Seiko 9R|Seiko 9R Spring Drive]] - [[Grand Seiko]] ===== Quartz ===== ==== Early Seiko Quartz ==== * [[Seiko 35|Seiko 35A/35SQ/35SQC]] (1967-1972) - Suwa - The first Seiko Quartz movement, 8192 Hz with stepper motor * [[Seiko 36|Seiko 3600/3602A]] (1970) - Daini - 16,384 Hz with stepper motor, produced only in 1970 * [[Seiko 38]] (1971-1976) - Suwa - 16,384 Hz with stepper motor, Seiko's first volume quartz movement * [[Seiko 38|Seiko 3800/3802/3803 38QT]] - Mainstream * [[Seiko 38|Seiko 3820/3823A 38SQ V.F.A.]] (1971) - Produced in high volume for years * [[Seiko 38|Seiko 3862/3863 38QR]] - Cost-reduced 5 jewel * [[Seiko 38|Seiko 3870]] * [[Seiko 38|Seiko 3882/3883 GFA/Superior]] - Ultra-accurate high-end * [[Seiko 38|Seiko 3819 Dual Zone Timer]] * [[Seiko 03|Seiko 03 SQ]] (1972-1973) - Suwa - Seiko's first ladies' quartz movement, produced in very small numbers * [[Seiko 39|Seiko 3922 39SQ V.F.A.]] (1972-1976) - Pulsing LED * [[Seiko 39|Seiko 3923 39SQ V.F.A.]] (1974) - With day and date * [[Seiko 06|Seiko 0614A]] (1973-1976) - First [[LCD]] watch with seconds display * [[Seiko 06|Seiko 0634]] (1975) - First [[LCD]] [[chronograph]] ([[Seiko Quartz LC Chronograph]]) * [[Seiko 41]] (1974-1977) - Suwa - The first production ladies' quartz movement * [[Seiko 41|Seiko 4100/4110A/4110B]] (1974) * [[Seiko 41|Seiko 4130A/4130B]] (1974) * [[Seiko 41|Seiko 4120 Emblem]] (1975) * [[Seiko 41|Seiko 4122]] (1976) ==== Second-Generation Seiko Quartz ==== * [[Seiko 08]] (1974-1977) - Daini - HAQ for King Quartz * [[Seiko 08|Seiko 0822/0823]] (1974) * [[Seiko 08|Seiko 0841/0842 08QZ]] * [[Seiko 08|Seiko 0843]] * [[Seiko 08|Seiko 0852/0853 08KQ King Quartz]] * [[Seiko 43]] (1975-1987) - Daini - High-end compact * [[Seiko 43|Seiko 4300/4301/4302]] (1975) * [[Seiko 43|Seiko 4303]] (1976) * [[Seiko 43|Seiko 4312]] (1977) * [[Seiko 43|Seiko 4316 43TP Type II]] (1977) * [[Seiko 43|Seiko 4325/4326 Type 43TP II]] * [[Seiko 43|Seiko 4335/4336 Type 43TP II]] * [[Seiko 43|Seiko 4366]] * [[Seiko 09]] (1975) - Suwa * [[Seiko 09|Seiko 0903]] (1975) * [[Seiko 09|Seiko 0920/0922/0923 09QZ]] * [[Seiko 48]] (1974-1979) - Suwa * [[Seiko 48|Seiko 4803A]] * [[Seiko 48|Seiko 4821/4822A/4822B/4823A/4823B 48KQ King Quartz]] (1975-1979) * [[Seiko 48|Seiko 4840A/4842A/4843A 48GQ Grand Quartz]] * [[Seiko 48|Seiko 4883A/4883B Superior Quartz]] * [[Seiko 48|Seiko 4840B/4842B/4843B]] * [[Seiko 48|Seiko 4826]] * [[Seiko 01]] - LCD watch ([[Seiko Quartz LC]]) * [[Seiko 46]] - Daini * [[Seiko 46|Seiko 4623 46TP Type II]] * [[Seiko 47]] - Suwa? - compact * [[Seiko 47|Seiko 4720]] * [[Seiko 75]] - Suwa * [[Seiko 75|Seiko 7518]] * [[Seiko 75|Seiko 7546 75TP Type II]] * [[Seiko 75|Seiko 7546 75SL SilverWave]] * [[Seiko 75|Seiko 7548 75DW]] * [[Seiko 75|Seiko 7559 Type II]] ==== Third-Generation Seiko Quartz ==== * [[Seiko 78]] - Suwa * [[Seiko 78|Seiko 7820]] * [[Seiko 78|Seiko 7830/7832]] * [[Seiko 78|Seiko 7853 78LQ Lord Quartz]] * [[Seiko 99]] - Suwa - High-end [[Twin Quartz]] version * [[Seiko 99|Seiko 9923 99KQ King Quartz]] (1980) - Replaced Cal. 48 for King Quartz in 1980 * [[Seiko 99|Seiko 9940/9942/9943 99GQ Grand Quartz]] * [[Seiko 99|Seiko 9983 Superior]] * [[Seiko 16]] - Ladies * [[Seiko 16|Seiko 1600]] * [[Seiko 58]] (1977-1979) - Daini - Replaced Cal. 08 in 1977 for King Quartz * [[Seiko 58|Seiko 5854/5855/5856 58KQ King Quartz]] (1977-1979) * [[Seiko 92]] - Daini - High-end [[Twin Quartz]] version * [[Seiko 92|Seiko 9256 92GQ Grand Quartz]] * [[Seiko 71]] - Daini - Upper-mid * [[Seiko 71|Seiko 7121/7122/7123 71TP Type II]] * [[Seiko 71|Seiko 7143 71LQ Lord Quartz]] * [[Seiko 97]] (1979-) - Daini - [[Twin Quartz]] version; Replaced Cal. 58 in 1980 for King Quartz * [[Seiko 97|Seiko 9721/9722/9723 97KQ King Quartz]] * [[Seiko 23]] * [[Seiko 23|Seiko 2320]] * [[Seiko 26]] * [[Seiko 26|Seiko 2620/2621]] * [[Seiko 26|Seiko 2525 26DV]] * [[Seiko 26|Seiko 2632]] * [[Seiko 14]] * [[Seiko 14|Seiko 1400]] * [[Seiko 82]] - Suwa * [[Seiko 82|Seiko 8221/8229 82SL SilverWave]] * [[Seiko 82|Seiko 8223 82TP Type II]] * [[Seiko 82|Seiko 8241/8242/8243 82LQ Lord Quartz]] * [[Seiko 59]] * [[Seiko 59|Seiko 5930/5931/5932 SilverWave]] * [[Seiko 96]] - [[Twin Quartz]] version * [[Seiko 60]] * [[Seiko 60|Seiko 6020]] * [[Seiko 60|Seiko 6030 SilverWave]] * [[Seiko 72]] - Daini - Alarm * [[Seiko 72|Seiko 7223]] * [[Seiko 79]] - Suwa - Compact * [[Seiko 79|Seiko 7918]] * [[Seiko 64]] * [[Seiko 94]] - [[Twin Quartz]] version * [[Seiko 93|Seiko 9320A]] (1978) - Ultra-thin 0.95 mm movement * [[Seiko 7A|Seiko 7A28]] (1983) - World's first [[quartz]] analog [[chronograph]] * [[Seiko 7M|Seiko 7M22]] (1988) - World's first [[automatic quartz]] movement, [[Seiko AGS]] * [[Seiko 5M|Seiko 5M23]] (1993) - Volume-produced [[automatic quartz]] movement, [[Seiko Kinetic]] ==== Current Seiko Quartz ==== * [[Seiko 7A|Seiko 7A]] (1982-) - The first analog quartz chronograph * [[Seiko 8J|Seiko 8J]] (-Present) - Compact high-end quartz * [[Seiko 9F|Seiko 9F]] (1993-Present) - High-end quartz ===== See Also ===== * {{tagpage>Seiko_calibres|Seiko calibres}} {{tag>Seiko Lists_of_calibres}}