The Casio F-91W is a classic digital wristwatch that’s been in constant production since it was first released in 1989. With a $20 starting price, the watch offers a water resistant design, an LED backlight, and basic features include time, date, and stopwatch functionality. And you can go up to seven years without needing to […] The post Ollee Watch brings smartwatch features to the Casio F-91W with a mainboard replacement appeared first on Liliputing.
