You can buy Casio’s ring watch in the US on December 26th. - The Verge

1. You can buy Casio’s ring watch in the US on December 26th.  The Verge
2. How to buy Casio's tiny digital watch for your finger in the US this week  ZDNet
3. This New Casio Digital Watch Is Actually Their Sexiest Ever  Men's Journal
4. New Release: Casio CRW001-1 Ring Watch  aBlogtoWatch
5. Casio announces CRW-001 new ring watch release date for multiple countries  Notebookcheck.net