GoPro Hero6 is Waterproof  (no case needed).
Specifications:
Rugged and waterproof action camera (up to 10m/33feet), 2-inch colour touchscreen LCD, 12MP stills, up to 4K (3840 x 2160 pixels) video recording @ 60fps, 1080p slow motion video @240fps, Bluetooth, WiFi, GPS, fixed focus wide angle lens, custom GP1 chip, HDR, wind noise reduction, HDMI out.

With your GoPro footage available wherever you are, it’s easier than ever to create and share your story.

https://shop.gopro.com/International/cameras