This Casio retro calculator watch is perfect for students and professionals on the go. You can use it in the classroom, office, or during outdoor activities. It has an 8 - digit calculator, dual - time feature, and a stopwatch. With a resin case and band, it's lightweight and comfortable to wear. The watch measures 43.2mm x 34.4mm x 8.2mm, making it a convenient size to carry around.