It is the cool and well designed nature of these Omega that gets me enthusiastic every time.
The continuos evolution and experimentation of design that give the watch a professional and racing tone, in an era of technological innovation and ever evolving forms.
1st Generation Pre-Professional Special Exotic Racing Dial, applied metal logo, old font like Speedy 2915s with Oval O, minute scale is racing style and the indexes are half red and half white. The chronograph hands are white, the hands for the time are red (less than 10 example known)
GS Grand Sport
minute circle and quarter hours marks with a black and white chequered ribbon, reminiscent of the flag used on the finish line of car race ?