The innovative ring watch uses a coin cell battery that lasts 2 years ... but a listing on Casio's US website confirms model CRW001-1 is actually headed stateside (via Android Authority).
All except the ABL-100WEPC feature the Casio long-life battery ... 53WPC is the calculator watch with the ability to show time in two cities at once. The ABL-100WEPC model can connect to a ...
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