blomman Mr Blue
38586
Welcome Geijn!
Very nice watch!
Sorry I don’t have more info for you.
But I do have a question:
The buckle (and maybe strap?) – is it original with the watch?
The thickness of the strap (thin) indicates old and the buckle shape is not a very often seen.
Possible the French reference was 10 R.S.C. 4.
French catalogue 1953:

And I guess the water-resistant version of your watch was the E 262.
French catalogue 1957:

Best
Blomman
58 years and counting....
By: Geijn : September 5th, 2011-12:47
I've owned this watch just over 5 years now, originally purchased at Greenwich MT in Zurich. Three years ago, I submitted the the case and caliber number to JLC hoping for more information on the watch. Aside from the date of production, not much was avai...
Welcome Geijn!
By: blomman Mr Blue : September 5th, 2011-13:11
Very nice watch! Sorry I don’t have more info for you. But I do have a question: The buckle (and maybe strap?) – is it original with the watch? The thickness of the strap (thin) indicates old and the buckle shape is not a very often seen. Possible the Fre...
Thanks!
By: Geijn : September 5th, 2011-14:12
Hi Blomman, thanks for you quick response and information! As i bought the watch second hand, not much information was know about the watch itself, other then the immaculate condition. The leather strap has a small "P" stamped in it near the watch itself,...