Casio's Tiny Ring Watch Is Now a Full-Blown Oura Alternative

Casio has introduced the CRW-H001, a smart ring watch that adds health-tracking sensors and vibration notifications to its earlier ring-sized watch design. The device can monitor metrics such as heart rate, sleep, and blood oxygen, sync with a companion app, and support basic workout tracking. It is currently available in China for about $294, with no global release confirmed.

Summary generated July 31, 2026. AI summaries can make mistakes.