Hi - last of my flea market finds which are, so far, devoid of much useful research info! This watch has the small convex area in the centre of the crystal which I understand was originally due to the manufacturing process years ago? The dial diameter is 2mm wider than my other pocket watches.

There is no silver mark that I can distinguish but it looks like a silver case. The inside of the outer back has two or three repairer's marks, but in addition to the 4 digit serial number I can...

Unidentified 42mm dial silver(?) pocket watch - with 12mm convex feature in centre of crystal