【Rare】G-SHOCK GRX-5600SRF-3JR This is a tie-up model with G-LIDE Surfrider Foundation. This new tie-up model is with the Surfrider Foundation (S.R.F.), an environmental protection organization established in 1984 by surfers. The base model is the popular compact and thin G-5600. It is equipped with Tough Solar, which generates power from light. Furthermore, this time, tide graph & moon data information for 100 major tidal points around the world is pre-set. You can enjoy surfing in the oceans around the world. The body is colored with yellow, which evokes the dazzling sunlight shining on the beach, and green, which complements the yellow. The S.R.F. logo is placed on the back cover and band. A surfer illustration appears on the EL backlight. This is a new model in the series, and a portion of the sales is used for environmental protection activities for the ocean and coast through S.R.F. 【Size (H x W x D) / Weight】 48.9 x 42.8 x 13.4mm / 56.3g 【Main Specifications】 ● Shock-resistant structure (shock resist) ● 20-atmosphere water resistance ● Tough Solar ● Moon data ● Tide graph ● Stopwatch ● EL backlight