2017 Sea-Doo GTX S? ? 155 GTX S 155 - SUPERIOR COMFORT IN ANY WATER CONDITION Sit back and enjoy the ride with a watercraft built for serious comfort thanks to Sea-Doo? s exclusive suspension and Ergolock seat with stepped design. Long days of cruising just got more comfortable. Watercraft 3 Person DX0610336149488716855084679 DX1