Rolex: An 18ct. two coloured gold Prince Chronometer wristwatch in rectangular flared case with yellow and white stripes to the the bezel, the matt silvered dial with Arabic numerals and large subsidiary seconds below the six, snap on back with makers mark numbered 321 971A, the signed Extra Prima movement with seperate signed dust cover inscribed Officially tested in eight ways, number 421, with Glasgow import mark for 1930