One of the best 5512s is Square Crown Guard so called SCG btw collectors.
Both the SCG and EagleBeak originally come with red triangle insert , 2lines (silver and gold) , gilt hands.
The 5512 Gilt Dial has the slight suggestion of something modern with a hint of vintage charm. Square Crown Guard was only in the production during having 1959.
R）5512 underline 4line