Postby zafbasha » Tue Mar 03, 2015 4:31 pm
It's 18k gold. Dial is just copper tone, I don't think it's 100% copper, but is probably a copper alloy that was then painted.
It dates to the 1950s most likely, I don't know the exact reference number, but they're just usually called a "ladies backset" due to the crown position on the back.