She, along with several other ships, was introduced to the game during the third wave of Priority Ships.
See post #3480680.
Seattle has short grey hair and grey eyes. She wears USN-themed uniform consisting of blue jacket and white dress, as well as white thighhighs and grey legwear. She has fish hair ornament of blue colour and wears fingerless gloves. Her rigging consists of several 6" (150 mm) caliber dual-purpose guns mounted in triple turrets.
Seattle has lively and cheerful personality and doesn't have problems socializing. She does not enjoy being alone and likes to host parties and other kinds of gatherings.
She frequently uses "wissu" as a greeting.
Seattle considers Atlanta class ships (USS Atlanta, USS Juneau, USS San Diego) her seniors. She is also very fond of her anti-air capabilities.