This presicion engineering company has a keen interst in diving, and there first product is the Dive Marshall..
The product is essentially a stopwatch which is used to keeptime of how long a diver has been under water. However much thought has been applied to the design and manufacture.
The Dive Marshall is to be left on board the boat while the diver is down, giving clear indication of who is still underwater, how long they have been, and additional information written on the plate such as expected dive time and dive plan.
Simple, well made, and imperative!