J W BENSON LONDON TROPICAL SMITHS ROMAN NUMERAL DIAL DENNISON AQUATITE CASE SMITHS C 1953 6 16 JEWEL and featuring the Smiths characteristics

and featuring the Smiths characteristics of a one piece click and click spring

This is probably a later example from the mid to late fifties  but hard to date these as they were produced up until about 60

Fully overhauled and with the usual two year warranty

A lot of wear to the chromed finish

Also I have explained before that Smiths seem to have used pre-prefix

J W BENSON LONDON TROPICAL SMITHS ROMAN NUMERAL DIAL DENNISON AQUATITE CASE SMITHS C 1953 6 16 JEWEL and featuring the Smiths characteristicsJ W Benson London tropical wristwatch by smiths in a Dennison Aquatite case of approx 33. 2mm in diameter with a chromed case top and steel screw in back. The thickness is 11mm. Fitted with an 18mm zrc cowhide strap. In excellent working order fully overhauled and a good timekeeper. This example has a 16 jewel movement with the cruciform case ring and the high quality balance. . These c series J W Benson watches were made both before and after 1953.