Underwater Dogs 2016 Wall Calendar (12x12) Incredible, hilarious, and adorable photos of dogs underwater by acclaimed photographer Seth Casteels. 2016 wall calendar with classic square format. This square 18-month Underwater Dogs wall calendar includes 13 stunning images with large grids. Underwater dogs calendar measures 12 x 12 closed, 12 x 24 opened. Large grids to mark appointments and events. Dogs Under Water Calendar observes major holidays and moon phases. Perfect for anyone who loves dogs!