Bought a Pam48 from Reg earlier this year. With help from some of you guys I was able to get my hands on an pre-j series OEM dial and a Leo datewheel. A package went off to Canada for assembling and general magic by Zig.
During service, it was concluded that the balance wasn't in excellent condition:
This is how it looks now with a Simona 22 mm strap and a rep buckle:
No real expert on the caseback series, but has there been one without serial no / millesimation? For comparison, gen shots of C and J:
Couple of wristshots:
Thanks for looking, plese comment with advice on further mods and / or opinions!