Rare Vintage Croton Aquamedico Swiss Art Deco Style Watch

Up for sale is this beautiful 1940's (?) Croton Aquamedico. Never seen anything like it! The steel case has a clamshell design for water resistance, although I wouldn't test it, based on it's age. The face has is a copper color with white outline with some discoloration and curved crystal is beveled and has a few scratches. It comes with original brown lizard leather strap. Winds manually and works great! Face: 1.25” wide x 1.75” Length: 9”