Deluxe model A 501 1955/6 9 ct gold English wristwatch with stepped lugs Dennison case. This was made c 1955 with a 3 initial historically nice company long service engraving for 1956. case is 3 piece 9ct gold with the stepped lug design, by Dennison, and has a width of 31mm excluding the winding crown..
The usual Deluxe refinements with the polished escapement, and featuring the smiths characteristics of a one piece click and click spring, concealed winding wheels, balance with screws and beryllium hairspring in this almost mint movement which is c series number 282640. dennison ref number 12383, case serial number 667495. fully working and keeping excellent time. fairly worn case. fully overhauled and keeping good time..
This watch was owned by a gentleman employed earlier by Riley motors a great British institution.