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Movement · Citizen · solar quartz

Citizen B612 movement

Citizen B612 takes MT9201 (a rechargeable cell charged by light), lasting about 7 months2. It is a solar quartz movement by Citizen: accurate to ±15 s/month3. 1 watch in our base uses it: Citizen Nighthawk CA0890-54H (list).

Sources checked · How we source numbers
MT920: drawing to scaleMT920: diameter 9.5 mm, height 2 mm.Ø 9.5−+2MT920
MT920, the cell the Citizen B612 takesDrawing from data, not a photo · mm

Citizen B612 at a glance

Battery
MT9201
Battery life
7 months2
Accuracy
±15 s/month3
Hands and functions
hours, minutes, centre seconds, 24-hour hand, date, chronograph3
Do not set the date
21:00–01:003

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

Running the Citizen B612

Accuracy and battery figures for the Citizen B612, as Citizen prints them.

Accuracy (maker)
±15 s/month3
Battery life
7 months2
Do not set the date
21:00–01:003
Operating temperature
−10 to +603

Battery for the Citizen B612

  • MT920[1]MT920 is a rechargeable cell charged by light; it is replaced at a service

Watches with the Citizen B612

Citizen’s battery table lists 50 models on calibre B612[1].

  • CA07755 modelsCA0775-01E · CA0775-52E · CA0775-52F · CA0775-52X · CA0775-87E
  • CA04592 modelsCA0459-79L · CA0459-79X
  • CA06492 modelsCA0649-06X · CA0649-14E
  • CA07522 modelsCA0752-58L · CA0752-66P
  • CA07702 modelsCA0770-56X · CA0770-72L
  • CA08512 modelsCA0851-05X · CA0851-56X
34 more families (35 models)
  • FB30022 modelsFB3002-53P · FB3002-61E
  • CA02911 modelCA0291-59E
  • CA02951 modelCA0295-58E
  • CA02971 modelCA0297-52W
  • CA02991 modelCA0299-57E
  • CA04221 modelCA0422-01E
  • CA04261 modelCA0426-51E
  • CA04291 modelCA0429-53W
  • CA04301 modelCA0430-54M
  • CA04381 modelCA0438-52E
  • CA06211 modelCA0621-05L
  • CA06411 modelCA0641-32X
  • CA06481 modelCA0648-09L
  • CA06961 modelCA0696-57H
  • CA06991 modelCA0699-59X
  • CA07101 modelCA0710-58L
  • CA07361 modelCA0736-54A
  • CA07551 modelCA0755-68E
  • CA07601 modelCA0760-17W
  • CA07611 modelCA0761-06W
  • CA07641 modelCA0764-08W
  • CA07661 modelCA0766-02W
  • CA07681 modelCA0768-07W
  • CA07691 modelCA0769-04W
  • CA07801 modelCA0780-52E
  • CA07811 modelCA0781-50L
  • CA07901 modelCA0790-59L
  • CA07971 modelCA0797-50E
  • CA08051 modelCA0805-53X
  • CA08201 modelCA0820-50X
  • CA08251 modelCA0825-05A
  • CA08501 modelCA0850-59L
  • CA08581 modelCA0858-57E
  • CA08701 modelCA0870-43W

All Citizen B612 figures

Every figure we hold for the Citizen B612, with its source. Where sources disagree, each value is shown.

Running

Type as printed
Analog solar-powered watch3
Hands and functions
hours, minutes, centre seconds, 24-hour hand, date, chronograph3
Chronograph
measures up to 60 minutes3

Accuracy and care

Accuracy (maker)
±15 s/month3
Do not set the date
21:00–01:003
Operating temperature
−10 to +603

Power

Battery
MT9201
Cell
1 × rechargeable cell2
Battery life
7 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 B612 questions

What battery does the Citizen B612 take?

The Citizen B612 takes MT920; Citizen gives 7 months of life. The MT920 in the Citizen B612 is a rechargeable cell charged by light, not a disposable battery.

Source [1][2]

When should you not change the date on the Citizen B612?

Not between 21:00 and 01:00, per Citizen: the Citizen B612’s date change is engaged then, so move its hands past 01:00 before using the quick-set.

Source [3]

Which watches use the Citizen B612?

1 watch in our base name the Citizen B612: Citizen Nighthawk CA0890-54H.

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, Diver200M (B6) · pdf · read
  3. 3Citizen Watch Co. — Instruction manual, B61* · pdf · read
  4. 4Citizen Watch US — Nighthawk Gray Dial Stainless Steel Bracelet CA0890-54H · html · read