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seiko_7000

Seiko 7000

The 7000 series was a family of mid-range mechanical watch movements from Seiko from the 1970's through the 1990's.

Produced from 1973, the 7000 family was a midrange mechanical offering. It was the basis for the popular 7S26 family, and its descendants remain in production today. The family operated at the same 21,600 A/h still used by midrange Seiko mechanisms and all offered 43 hours of power reserve. All members of the family feature Seiko's bi-directional Magic Lever winding system.

There were three versions of the 7000 family before the introduction of the 7S26 with its new quickset day and date mechanism and other improvements

  1. The original 7005/7006/7025 movements appeared in the early 1970's; had quickset date but not day
  2. The line expanded to include cam switching modular chronographs with the 7015/7016/7017/7018; quickset day by pushing the crown
  3. The line was resurrected in the 1980's as the 7001/7002/7009/7019/7039

The 7005 and 7006 (date only and day/date respectively) designs were re-used and updated in the 1980's as the 7002 and 7009. These later movements were optimized for price and mechanized production, using many more stamped steel and plastic parts. Although they have proven fairly robust, their accuracy has suffered due to this change.

GenerationModelYearJewelsHeightComplications
New date mechanism7005A1969-1979174.5 mmDate
7006A1970-1981 17/19/214.85 mmDay, date
7025A1976-1986Date, small rotor
Chronographs7015A
7017A
1970-1980
1971-1981
215.9 mmDay, date, chronograph 60s
7016A1972-1982216.4 mmDay, date, chronograph 60s, 30min, 12h
7018A, 7018B1971-1981235.9 mmDay, date, chronograph 60s, 30min
Push-date7009A1976-1998175.0 mmDay, date
7019A
7039A
1969-1979
1974-1999
215.0 mmDay, date
Divers7001A1988-1999174.9 mm
7002A1988-1999174.9 mmDate

Description:

Functions:

Data:

  • Diameter 12 ligne (27 mm)
  • 17, 19, 21, or 23 jewels
  • 18,000 A/h
  • Power reserve 43 Hours

Production period:

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seiko_7000.txt · Last modified: 09.12.2021 15:13 by gerdlothar

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