G-Shock G-Lide Mens Watch GBX-100-1ERThis G-Shock G-Lide Mens Watch GBX-100-1ER is one of Casio’s latest G-Lide digital timepieces a range that is becoming increasingly popular with the surfing community. The digital screen boasts surfer-related information such as tide levels and times sunrise and sunset moon data and a tide graph all set using the G-Shock App to select the appropriate location. With training measurements easily taken using the G-Lide functions and sporty black resin design this watch is the perfect surfing companion.