Impeccable timekeeping for a surfer or sports enthusiast, surprise him with this great watch from the casio digital g-lide collection. The black style features a slim and compact design with tide and moon graph functionality, three multi-function alarms, a pre-programmed calendar and 43. 2 x 46. 7mm case. It is water resistant up to 200 meters and is backed by a one-year limited warranty. We are an authorized casio dealer.