Bright yellow was a popular color for waterproof electronics in the 1980s; the Sony Walkman is a prime example. Minolta followed suit with its bright yellow waterproof cameras, one “for each of the popular film formats, 110, 35, and APS,”

The Ur-Leica, generally referred to as the original Leica, should actually be called Ur-Leitz since the Leica name wasn’t in use until 1925. The word Ur has German roots; English and German dictionaries define Ur as primeval, primitive, original, earliest.