CASIO Casio PROTREK Pro Trek PRW-3100 This is an outdoor wristwatch equipped with triple sensor functions. All functions have been tested and confirmed to be working. Protective glass is attached. The band shows some signs of use. There are no functional problems. ⚠️ There is air between the LCD screen and the protective glass. If you don't like it, please remove the protective glass. - Brand: CASIO - Model: PROTREK PRW-3100 - Functions: Digital display, battery level indicator - Band Material: Rubber - Sensor Functions: Triple sensor Thank you for viewing.