CASIO Ring Watch CRW-001-1JR
Discover Casio innovation in miniature with the CRW-001-1JR Ring Watch, a full-metal digital ring watch that blends practicality with playful design. Using ultra-compact digital modules and advanced metal molding technology, Casio has recreated a fully functional digital watch in a ring-sized format.
Key Features:
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Ring-sized full-metal digital watch (Ring Size 22号 / US 10.5 / EU U)
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Size-adjustable spacers included: 19号 (inner diameter 19 mm) and 16号 (inner diameter 18 mm)
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1/10 downsized digital module compared to standard wristwatch modules
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7-segment LCD display shows hours, minutes, seconds, date, dual time, and stopwatch
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Time Flushing Light: subtly flashes at set times or hourly chimes
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LED Backlight (White)
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Stopwatch (1/100 sec, 60 min), Alarm, World Time, Dual Time, 12/24-hour format
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Auto Calendar (Feb 28 system)
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Water Resistance: Daily life water-resistant
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Battery: Button cell, approx. 2-year lifespan
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Packaged with an original drawstring pouch for gift-ready presentation
This unique Casio ring watch combines heritage, innovation, and style—perfect for collectors, tech enthusiasts, or anyone looking to wear a miniature digital timepiece with personality.
📏 Technical Specifications
| Feature | Specification |
|---|---|
| Case Size (H×W×D) | 25.2 × 19.5 × 6.2 mm |
| Weight | 16 g |
| Case/Bezel Material | Stainless Steel |
| Glass Material | Mineral Glass |
| Ring Size | 22号 (US 10.5 / EU U), includes 19号 & 16号 spacers |
| Water Resistance | Daily life water-resistant |
| Battery Life | Approx. 2 years |
| LCD Display | 7-segment digital |
| Functions | Dual Time, World Time, Stopwatch (1/100 sec, 60 min), Alarm, Time Flushing Light, LED Backlight |
| LED Color | White |
| Calendar | Auto Calendar (Feb 28 system) |
| Accuracy | ±30 seconds per month |
| 12/24 Hour Format | Yes |