These "Swiss Only" dials were used for only a brief period
link during late U and A series watches before Rolex adopted Super-LumiNova for their luminous compound changing the dial text
link to "Swiss Made." "A" series variants
link also bore the "Swiss Made" text at the bottom of the dial signifying the change from LumiNova to Super-LumiNova. The P serial is the final reference 14270 and it too bears the "Swiss Made" text on the dial and a Super-LumiNova treatment.