Cal Spas Hot Tubs, Spas and Swim Spas for Sale. Cal Spas Victory Xtreme Series Spas. Cal Spas - The Calspas Victory Xtreme Hot Tub Spa Series offers various bench and lounger configurations. The contoured Captain's chair provides a special neck pillow. LED lighting and a stereo can be added to increase the entertainment value. Visit us at www.calspas.com.