This is the Nikon Coolpix AW100:
Download the Nikon AW100 Manual.
Check the price trend and in-stock availability.
Sample photos and videos
The review of the Nikon AW100 at Impress (read it in English) has a great selection of underwater photos and full 1080p HD (1980x1080) movie clips (towards the end of the article) for you to judge image and video quality with.
Resources
Official Nikon AW100 page at Nikon USA and Nikon Imaging.
Related
Nikon cameras — Main page