The Casio Analog Digital Quartz Dual Time AW-49HE-2AVDF The Men’s Watch by Casio is not your ordinary watch. It’s easy to read and see the time, but there are many more features that make it stand out from the crowd, including a resin case and a waterproof feature. Casio Analog Digital Quartz Dual Time AW-49HE-2AVDF Men’s Watch Design and Style The dual time function on this watch works for both AM and PM, as well as 24 hours. The watch is designed with a light resin case and a band. It’s lightweight, which is something you don’t see in most watches. The watch’s lightweight design is probably a contributing factor to the high ratings it has received from users who review it.