Two recent arrivals match perfectly:
The 1968 Girard-Perregaux Olympic chronograph, ref. 9075 AF, on a 2017 green Saffiano leather strap.
I love the warm tones of the aged face, dark sliver dial, darkened lume,
Inside ticks a G-P cal. 073 movement, i.e. Excelsior-Park cal. 40.
Enjoy,
Mick