I've had 3 of them
By: Boris : January 7th, 2020-00:37
First was a series L, second a series R, last was a series 9,XXX. I foolishly let go of the last one, which had an impeccable case and a tritium patina very similar to the one you have posted. Oh well, let bygones be bygones. I still have a terrific 5512 ...