While I was looking at some Panerai on the web, I noticed a similarity between the KW case and the OP 6502 case. What do you think? Even the lugs holes are in the same position.
The OP 6502 is the Pre-A case, but can be found on higher A-series and on some B-series
Gen OP 6502 pics:
The OP 6502 is the Pre-A case, but can be found on higher A-series and on some B-series
Gen OP 6502 pics: