Manufactured in the late 1930's by Review Sport, this is a screw back waterproof case with an octagon design. This model is solidly made of stainless steel with a heavy feel. The condition has some minor scratches, but it has a natural taste that allows you to feel the natural original shape to the fullest. The dial is of course original as it was at the time, and the silver print is still clear and beautiful with black mirror coating. It is not a major brand, but I think it is a very good value for money in terms of its non-cheap design and good manufacturing quality.