Swiss Watch Fair 1969 BP 49
The dial on this watch lights up merely by pressing the lateral pushpiece. The small lamp, located at 12 o’clock, is sufficently powerful for reading a letter or finding a keyhole. Works on a standard battery (10 hours life) widely available Large waterresistant case (very much in style) with ribbed bezel. “Technical”’ style blue dial. Automatic movement with calendar. (AROLA “Sun”)