The new Casio CRW-001-1JR is both a smart ring and a smartwatch
A ring that thinks it's a watch, or a watch that thinks it's a ring?
- The Casio CRW-001-1JR is part smartwatch, part smart ring
- It looks as though it'll only be available in Japan
- The device celebrates 50 years of digital watches from Casio
Can't decide between one of the best smart rings and one of the best smartwatches? The new Casio CRW-001-1JR gives you both form factors in the same device – it's a smartwatch that fits around your finger rather than your wrist.
Getting hold of one might be an issue though, as it looks as though the Casio CRW-001-1JR will only be available in Casio's home country of Japan. The wearable has been priced at 19,800 yen, which is about $130 / £100 / AU$200.
The wearable has been launched to mark 50 years of Casio smartwatches, and it's more of a fashion accessory than an actual working smartwatch. You don't get any fitness-tracking features here, for example, or synced smartphone notification support.
However, the little gadget can tell you the time in two locations, and there's also a stopwatch function. You can set alarms for specific times on the device, and Casio has fitted in a small LED light as well.
One to watch
You can only get the Casio CRW-001-1JR in one size – the equivalent of US ring size 10.5 – but there are spacers included for a snugger fit on smaller fingers. Unlike the similar Timex T80, the strap isn't adjustable.
The ring/watch has been designed to pay homage to the classic Casio GMW-B5000 smartwatch, and it's made from stainless steel. There are even three functional buttons for controlling the features on the device.
Tipping the scales at 16 grams, this isn't as lightweight as something like the Samsung Galaxy Ring, which weighs a maximum of 3 grams. The smartwatch is "waterproof for daily use", and powered by a replaceable battery that should be good for two years of use.
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It's something different at least – and perhaps the start of a whole new product category. The Casio CRW-001-1JR is going on sale at the start of December – though even if you do live in Japan, it seems stock is going to be limited.
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Dave is a freelance tech journalist who has been writing about gadgets, apps and the web for more than two decades. Based out of Stockport, England, on TechRadar you'll find him covering news, features and reviews, particularly for phones, tablets and wearables. Working to ensure our breaking news coverage is the best in the business over weekends, David also has bylines at Gizmodo, T3, PopSci and a few other places besides, as well as being many years editing the likes of PC Explorer and The Hardware Handbook.