Vintage Gruen
The forum for Gruen watch enthusiasts.

Home » The Gruen Model Database » The caliber database » Unknown 18J 8L Caliber (Possibly 857 Extra Precision)
Re: Unknown 18J 8L Caliber (Possibly 857 Extra Precision) [message #14354 is a reply to message #13986] Fri, 15 January 2021 02:40 Go to previous messageGo to previous message
Case is currently offline  Case
Messages: 1178
Registered: May 2019
Location: Cincinnati
Gruen Authority
Gary—thanks for moving this discussion into the caliber database for us.

I believe your mark is a partially milled-off “4”. I do not see the “5” visible on yours like I see on mine & Liz’s. I’ve a theory on what it means and an observation on the 87, but I’ll add that on the 87 thread.

[Updated on: Fri, 15 January 2021 02:43]

Report message to a moderator

 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: Calibre 705 and 704
Next Topic: Calibre 1617
Goto Forum:
  


Current Time: Sat Apr 05 12:29:03 UTC 2025

Total time taken to generate the page: 0.01367 seconds