To determine the exact model and specifications of your Citizen
Eco-Drive, flip the watch to the reverse. On the case back will be
extensive information about your timepiece. You're looking for the
"movement caliber," a four-character combination of letters and numbers,
separated from the seven-digit "case number" by a hyphen.
Next step, visit this links:
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citizenwatches.com.au/instruction-manuals-
citizenwatch.com/COA/English/settings.aspHope this helps (remember to rate this answer).
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