The first‑ever Casio digital ring watch celebrates 50 years of Casio timekeeping, both a collectible and a clever piece of wearable design. The CRW‑001‑1ER distills the brand’s signature digital aesthetic into a metal ring, capturing the familiar geometry and detailing in a ultra‑compact form. Its airtight, glass‑bonded construction delivers waterproof durability for everyday wear. Time, date, dual time, stopwatch and more are all packed in — plus a subtle flash that lights up at pre‑set moments to give your hand a subtle glow. Stainless Steel Case & Bezel, Mineral Glass, Water Resistant, LED Backlight, 12/24-hour Format, Stopwatch, Style Code: CRW-001G-9ER, Shop All Casio Watches, Shop All Men’s Watches, Shop All Women’s Watches, - Casio CRW-001G-9ER Ring Watch Gold