The Seiko Prospex Solar SNE595P1 is a spectacular solar powered diving watch.  

With it's 41.0mm diameter case (excluding crown) and 11.3mm thickness the SNE595P1 is a very comfortable diving watch that is sure to stand out. The date window will ensure daily comfort. Of course the watch is water resistant to 200m and the extremely legible dial is protected by a sapphire crystal. The movement powering all this is the Seiko Cal. V157 movement, which is solar powered with a battery life up to 10 months.