I'd be interested in your thoughts and valuation of this vintage JLC Master Mariner?
It's a 1960s piece, JLC ref. E557, with a JLC calibre 881 movement.
JLC original 1967 catalogue scan:
Link to a thread about a very similar piece: http://panerai.watchprosite.com/show.../gridviewer-1/
(Above link has calibre 883 movement)
Many thanks and best regards