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[Important notice] For all users of the WS-1700 | CASIO


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[Important notice] For all users of the WS-1700

1, April, 2024

Thank you for selecting a CASIO WS-1700 watch.
We regret to inform you that we have been made aware of the problem described below with the WS-1700.
We sincerely apologize if this problem has caused you any inconvenience.

Problem Description

The time indicated by Dual Time* does not change to afternoon (p.m.) time. (Main current time indication switches between a.m. and p.m. normally.)
  ・When 12-hour timekeeping is selected, Dual Time always shows the current time with an A (a.m.) mark. The mark does not change to P (p.m.) as required.
  ・When 24-hour timekeeping is selected, Dual Time displays times from 0:00 to 11:00 only. The current time for an entire 24-hour period is not shown.
* In addition to the Timekeeping Mode current time for your current location, you can use Dual Time to keep track of the current time in another time zone.

Applicable Products

The following products purchased before April 2024:
WS-1700H-1AV, WS-1700H-5AV, WS-1700H-8AV


We kindly request customers who own these products to contact us via the link below, which leads to the contact information for each country.
We appreciate your understanding and cooperation in this matter.

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