I found couple of pocket watches that belonged to my grandfather who was a watchmaker.
The first one has a London hallmark I think but I can't figure the date.

and in closeup

Thanks Oben
(admin edit - see Posting Requirements )
All silver had duty mark at the time (Queen Victoria in profile), considered luxury items. Watch cases were exempted.oben wrote:Thanks a lot
But i didn't realy understand what you said about exempt from duty
Oben