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Movement · Citizen · solar quartz

Citizen J800 movement

Citizen J800 takes MT6211 (a rechargeable cell charged by light), lasting about 8 months2. It is a solar quartz movement by Citizen: accurate to ±15 s/month2. 24 watches in our base use it (list).

Sources checked · How we source numbers
MT621: drawing to scaleMT621: diameter 6.8 mm, height 2.1 mm.Ø 6.8−+2.1MT621
MT621, the cell the Citizen J800 takesDrawing from data, not a photo · mm

Citizen J800 at a glance

Battery
MT6211
Battery life
8 months2
Accuracy
±15 s/month2
Hands and functions
hours, minutes, centre seconds, date, day_optional2
Do not set the date
21:00–01:002
2 sources disagree; show every value
  • manufacturer 21:00–01:002
  • manufacturer 21:00–04:302

New to the terms? Read quartz vs automatic or watch movement types.

Running the Citizen J800

Accuracy and battery figures for the Citizen J800, as Citizen prints them.

Accuracy (maker)
±15 s/month2
Battery life
8 months2
Do not set the date
21:00–01:002
2 sources disagree; show every value
  • manufacturer 21:00–01:002
  • manufacturer 21:00–04:302
Operating temperature
−10 to +602

Battery for the Citizen J800

  • MT621[1]MT621 is a rechargeable cell charged by light; it is replaced at a service

Watches with the Citizen J800

Citizen’s battery table lists 24 models on calibre J800[1].

  • AW01103 modelsAW0110-58E · AW0110-58L · AW0110-58X
  • AW01303 modelsAW0130-85A · AW0130-85L · AW0130-85X
  • AW00501 modelAW0050-82E
  • AW00751 modelAW0075-06W
  • AW00801 modelAW0080-57A
  • AW00811 modelAW0081-54L
14 more families (14 models)
  • AW00821 modelAW0082-01A
  • AW00871 modelAW0087-58H
  • AW00881 modelAW0088-04W
  • AW00921 modelAW0092-07Q
  • AW00931 modelAW0093-04W
  • AW00961 modelAW0096-06L
  • AW01001 modelAW0100-51A
  • AW01151 modelAW0115-03E
  • AW01201 modelAW0120-03W
  • AW01451 modelAW0145-02W
  • AW01481 modelAW0148-47W
  • AW01501 modelAW0150-53L
  • AW01521 modelAW0152-58H
  • AW01561 modelAW0156-57X

All Citizen J800 figures

Every figure we hold for the Citizen J800, with its source. Where sources disagree, each value is shown.

Running

Type as printed
Analog solar-powered watch2
Hands and functions
hours, minutes, centre seconds, date, day_optional2

Accuracy and care

Accuracy (maker)
±15 s/month2
Do not set the date
21:00–01:002
2 sources disagree; show every value
  • manufacturer 21:00–01:002
  • manufacturer 21:00–04:302
Operating temperature
−10 to +602

Power

Battery
MT6211
Cell
1 × rechargeable cell2
Battery life
8 months2

Not published yet

  • Diameter: not published by Citizen
  • Height: not published by Citizen
  • Jewels: not published
  • Low-battery sign: not published
  • Hand height options: not published
  • Hand holes: not published
  • Dial feet: not published
  • Stem part number: not published

Citizen J800 questions

What battery does the Citizen J800 take?

The Citizen J800 takes MT621; Citizen gives 8 months of life. The MT621 in the Citizen J800 is a rechargeable cell charged by light, not a disposable battery.

Source [1][2]

When should you not change the date on the Citizen J800?

Not between 21:00 and 01:00, per Citizen: the Citizen J800’s date change is engaged then, so move its hands past 01:00 before using the quick-set.

Source [2]

More on movements

Sources

Documents checked · Report a wrong number

  1. 1Citizen Watch US — Battery Information (model / caliber / battery table) · html · read
  2. 2Citizen Watch Co. — Instruction manual, J7**/J80*/J81*/J83* · pdf · read