Good morning! My next walk-through. This time of an Universal Geneve 2-66 calibre in a "White Shadow" watch. With less than 2.5mm thickness, the movement was one of the thinnest automatic movements at its introduction in 1966 and for decades to come. Some say it was the thinnest of all, but I found the Piaget 12P was 2.3mm and introduced in 1960. That would make the Universal 66 the second-thinnest automatic movement unitl 1985 when the Frederic Piquet 71 came in with 2.4mm.  ANYWAY, i