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Movement · Citizen · solar quartz

Citizen B620 movement

Citizen B620 takes MT9201 (a rechargeable cell charged by light), lasting about 9 months2. It is a solar quartz movement by Citizen: accurate to ±15 s/month2. 1 watch in our base uses it: Citizen Promaster Navihawk Blue Angels CA4667-53L (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 B620 takesDrawing from data, not a photo · mm

Citizen B620 at a glance

Battery
MT9201
Battery life
9 months2
Accuracy
±15 s/month2
Hands and functions
hours, minutes, centre seconds, 24-hour hand, date, chronograph2
Do not set the date
21:00–01:002

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

Running the Citizen B620

Accuracy and battery figures for the Citizen B620, as Citizen prints them.

Accuracy (maker)
±15 s/month2
Battery life
9 months2
Do not set the date
21:00–01:002
Operating temperature
−10 to +602

Battery for the Citizen B620

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

Watches with the Citizen B620

Citizen’s battery table lists 48 models on calibre B620[1].

  • CA46003 modelsCA4600-89A · CA4600-89E · CA4600-89X
  • CA46103 modelsCA4610-85A · CA4610-85M · CA4610-85Z
  • CA45002 modelsCA4500-08X · CA4500-91E
  • CA45902 modelsCA4590-81E · CA4590-81X
  • CA46642 modelsCA4664-60W · CA4664-60X
  • CA41501 modelCA4150-67E
35 more families (35 models)
  • CA41841 modelCA4184-81E
  • CA41881 modelCA4188-81A
  • CA42131 modelCA4213-18L
  • CA42191 modelCA4219-03W
  • CA42811 modelCA4281-00W
  • CA42821 modelCA4282-82E
  • CA42851 modelCA4285-68E
  • CA42881 modelCA4288-86L
  • CA43771 modelCA4377-53H
  • CA44771 modelCA4477-08X
  • CA44781 modelCA4478-56L
  • CA44881 modelCA4488-52X
  • CA44891 modelCA4489-50E
  • CA45031 modelCA4503-00L
  • CA45051 modelCA4505-21X
  • CA45101 modelCA4510-55L
  • CA45121 modelCA4512-50E
  • CA45161 modelCA4516-59A
  • CA45401 modelCA4540-54A
  • CA45421 modelCA4542-59X
  • CA45531 modelCA4553-01E
  • CA45551 modelCA4555-81E
  • CA45571 modelCA4557-01L
  • CA45601 modelCA4560-81L
  • CA45611 modelCA4561-89E
  • CA45671 modelCA4567-82H
  • CA45801 modelCA4580-50E
  • CA45821 modelCA4582-54E
  • CA45831 modelCA4583-01E
  • CA45921 modelCA4592-85A
  • CA45931 modelCA4593-15A
  • CA46051 modelCA4605-85L
  • CA46601 modelCA4660-61A
  • CA46801 modelCA4680-55L
  • CA46841 modelCA4684-54X

All Citizen B620 figures

Every figure we hold for the Citizen B620, 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, 24-hour hand, date, chronograph2
Chronograph
up to 60 minutes in 0.2-second increments2

Accuracy and care

Accuracy (maker)
±15 s/month2
Do not set the date
21:00–01:002
Operating temperature
−10 to +602

Power

Battery
MT9201
Cell
1 × rechargeable cell2
Battery life
9 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 B620 questions

What battery does the Citizen B620 take?

The Citizen B620 takes MT920; Citizen gives 9 months of life. The MT920 in the Citizen B620 is a rechargeable cell charged by light, not a disposable battery.

Source [1][2]

When should you not change the date on the Citizen B620?

Not between 21:00 and 01:00, per Citizen: the Citizen B620’s date change is engaged then, so move its hands past 01:00 before using the quick-set.

Source [2]

Which watches use the Citizen B620?

1 watch in our base name the Citizen B620: Citizen Promaster Navihawk Blue Angels CA4667-53L.

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, B620 · pdf · read
  3. 3Citizen Watch US — Promaster Navihawk Blue Dial Stainless Steel Bracelet CA4667-53L · html · read