For sale I have a Casio Duro Marlin diver. This is the Sunburst blue dial that is very nice. The watch is in like new condition.
Here is a review with the specs and data of this model:
www.hodinky-365.com
It works as it should and looks really nice.
Asking $45 plus $5 for shipping in the USA for the watch on the original rubber strap.
I could include an ISO style rubber strap that is like new as seen in the pictures, for an extra $10.
Here are a few pics:
Here is a review with the specs and data of this model:

The Bill Gates Casio Duro MDV-107 watch review
One of the most interesting watches with a diving design, under 80 EUR, and worn by Bill Gates.

It works as it should and looks really nice.
Asking $45 plus $5 for shipping in the USA for the watch on the original rubber strap.
I could include an ISO style rubber strap that is like new as seen in the pictures, for an extra $10.
Here are a few pics: