====== Seiko Quartz ======

{{wst>author|[[Foskett, Stephen|Stephen Foskett]] ([[https://grail-watch.com/|Grail Watch]])}}

[[Seiko]] introduced the world's first [[quartz watch]] for sale in [[1969]] and rose to dominate the market in the 1970s and 1980s. The company's products demonstrate the evolution of the technology and of the entire watch industry through this period.

===== 1967-1974: Early Quartz =====
  * Chronometer Competition (1967-1969)
  * [[Seiko Quartz Astron]] (1969-1971)
  * Seiko Quartz
    * [[Seiko 35|35SQ/35SQC]] (1970-1972)
    * [[Seiko 36|36SQ/36SQC]] (1970)
    * [[Seiko 38|38SQW]] (1971-1974)
  * Seiko Quartz Ladies
    * [[Seiko 03|03SQ]] (1972-1973)
  * [[Seiko Quartz V.F.A.]]
    * [[Seiko 03|03SQ]] (1972-1973)
    * [[Seiko 38|38SQ/38SQC/38SQW]] (1972-1976)
    * [[Seiko 39|39SQC/39SQW]] (1972-1976)
    * [[Seiko 38|38SQ pocket watch]] (1974-1975)
  * Seiko Quartz QT
    * [[Seiko 38|38QT/38QTC/38QTW]] (1972-1975)
    * [[Seiko 38|38DQC "Duotime"]] (1974)
    * [[Seiko 38|38QT pocket watch]] (1974)
  * Seiko Quartz QR
    * [[Seiko 38|38QRC/38QRW]] (1974-1975)
  * [[Seiko Superior|Seiko Quartz Superior]]
    * [[Seiko 38|3883]] (1974-1975)
  * [[Seiko Quartz LC]] [[LCD]]
    * [[Seiko 06|06LC]] (1974)

===== 1975-1979: Quartz Expansion =====
  * [[Seiko Grand Quartz]]
    * [[Seiko 48|48GQ/48GQC/48GQW]] (1975-1978)
    * [[Seiko 92|92GQ]] (1978-1980)
    * [[Seiko 99|99GQ/99GQC/99GQW]] (1978-1985)
  * [[Seiko King Quartz]]
    * [[Seiko 08|08KQC/08KQW]] (1975-1977)
    * [[Seiko 48|48KQC/48KQW]] (1975-1979)
    * [[Seiko 58|58KQC/58KQW]] (1977-1979)
    * [[Seiko 97|97KQ/97KQC/97KQW]] (1979-1981)
    * [[Seiko 99|99KQ]] (1979-1985)
  * [[Seiko Lord Quartz]]
    * [[Seiko 78|78LQW]] (1978-)
  * Seiko Ladies and Dress Quartz
    * [[Seiko 16|16NC/1600]] (1978)
    * [[Seiko 41|4120/4130]] (1975-1977)
    * [[Seiko 41|4120/4130 pocket watch]] (1975-1977)
    * [[Seiko 41|4130 pendant watch]] (1975)
    * [[Seiko 43|4300/4301/4303/4325/43JQW]] (1976-1978)
    * [[Seiko 43|4300/4301 pendant watch]] (1977-1978)
    * [[Seiko 47|4720]] (1976-1978)
    * [[Seiko 47|4720 pocket watch]] (1977-1978)
    * [[Seiko 78|7820/7830/7832]] (1977-1978)
    * [[Seiko 78|7820 pocket watch]] (1977-1978)
    * [[Seiko 79|7902/79JQW]] (1978-)
    * [[Seiko 16|1600]] (1977-)
  * Seiko Quartz QT
    * [[Seiko 08|08QTC/08QTW]] (1975-)
    * [[Seiko 08|08QTC pocket watch]] (1975-)
  * Seiko Quartz QZ
    * [[Seiko 08|08ZQ/08QZC/08QZW]] (1975-1977)
    * [[Seiko 09|09ZQ/09QZC/09QZW]] (1975-1977)
    * [[Seiko 48|48QZW]] (1977-)
  * [[Seiko Quartz LC]] [[LCD]]
    * [[Seiko 01|0114]] (1975)
    * [[Seiko 01|0139]] (1978)
    * [[Seiko 04|0432]] (1978)
    * [[Seiko 06|0634 Chronograph]] (1975-1976)
    * [[Seiko 06|0644/0654/0664]] (1976)
    * [[Seiko 05|0533/0534]] (1976)
    * [[Seiko A0|A021/A029/A031/A039 Alarm]] (1978)
    * [[Seiko A1|A129 Chronograph]] (1978)
    * [[Seiko A1|A159 Alarm Chronograph]] (1978)
    * [[Seiko F0|F023]] (1978)
    * [[Seiko F1|F162]] (1978)
    * [[Seiko M1|M154]] (1978)
    * [[Seiko M1|M158 World Time]] (1978)
    * [[Seiko M1|M159 Chronograph]] (1978)
  * [[Seiko Calculator Watch]] [[LCD]]
    * [[Seiko C1|C153]] (1978)
  * Seiko Emblem Quartz
    * [[Seiko 41|4120/4122]] (1975-1977)
    * [[Seiko 78|7820/7830/7832]] (1977-1978)
  * [[Seiko Superior|Seiko Quartz Superior]]
    * [[Seiko 48|4883]] (1976-1978)
    * [[Seiko 99|9983]] (1978-1984)
  * [[Seiko Type II]]
    * [[Seiko 46|46TPC/46TPW]] (1976-1977)
    * [[Seiko 09|09TPW]] (1977)
    * [[Seiko 43|43TPW]] (1977-1978)
    * [[Seiko 71|71TPC/71TPW]] (1980-1983)
    * [[Seiko 75|7559/75TPW]] (1977-1981)
    * [[Seiko 82|82TPW]] (1980-1984)
  * Seiko Playboy Quartz
    * [[Seiko 43|4300]] (1977-1979)
  * Seiko SilverWave Quartz
    * [[Seiko 26|26SL]] (1979)
    * [[Seiko 43|43SLW]] (1978)
    * [[Seiko 59|5931/5933]] (1981)
    * [[Seiko 60|6030]] (1980-1985)
    * [[Seiko 71|7121/71SLW]] (1979-1981)
    * [[Seiko 75|75SLW]] (1977-1979)
    * [[Seiko 79|79SLW]] (1979)
    * [[Seiko 82|8221/8229/82SLW]] (1980-1981)
  * [[Seiko Railway Watch]]
    * [[Seiko 75|75RW]] (1978)
  * [[Credor|Seiko Crêt D'or]]
    * [[Seiko 14|1400]] (1978-)
    * [[Seiko 16|1600]] (1978-)
    * [[Seiko 23|2320]] (1978-)
    * [[Seiko 26|2620/2621]] (1978-)
    * [[Seiko 41|4130]] (1975-1976)
    * [[Seiko 41|4130 pocket watch]] (1975-1978)
    * [[Seiko 43|4300/4301]] (1976-1978)
    * [[Seiko 47|4720]] (1976-1978)
    * [[Seiko 58|58KQW]] (1978)
    * [[Seiko 59|5931]] (1978-)
    * [[Seiko 60|6020]] (1978-)
    * [[Seiko 78|7820/7830/7832]] (1978-)
    * [[Seiko 93|9320]] (1978-)
    * [[Seiko 99|9983]] (1978-) [[Seiko Superior|Superior]]

===== 1980-1984: Quartz Dominance =====
===== 1985-1989: Brand Expansion =====

{{tag>Seiko}}