Sensor Watch Turns Classic Casio Wristwatch Into Modern Piece Of Wearable Tech

If you own a classic Casio digital timepiece like the F-91W and have at some point, wish it could be more up-to-date and do more than tell time, well it looks like your dream has come true. You may not have the technical skillset to turn an F-91W into a full-blown smartwatch but thanks to …