Thought about this some more. The main two I keep looking at are the Submersible pam 02068 (blue dial, 42mm on bracelet) and the GS 60th anniversary quartz SBGP015.
That orange strap against the blue water and sky you could not have picked a better combination if you tried. The Submersible just belongs in that setting. This is the sort of shot that reminds you why we love these watches in the first place. Maui has a ...