1930's Silver, Seed Pearl and Blue Enamel Fob Pendant watch

A silver and blue enamel nurses fob watch, manual movement, having circular white enamel Arabic numeral dial with yellow metal hands, impressed "0,800" and Swiss wood grouse hallmark, in working order, with attached matching silver and blue enamel 'tied ribbon' pin and clip.
Clip set three graduated pearls in navette shaped mount.
The casing has a few scratches and dents commensurate with the age of the piece but in good condition and reflected in the price.
The watch is in full working order
Length of watch and pin 2.5 inches/6.5cm