A cool early diver watch from Casio, of course! This is a ladies model 100M dive watch that was produced from 1980-1982 and has the same diver/snorkler logo they would later use on the DW-1000C (the black dial version). It's got the screwback and a heavy all stainless case, basically it's a ladies Marlin watch. I just installed a new battery in the module 126 and all works properly. The module 126 is a time/date/stopwatch only affair that was used on only a few Casios.

WATCHES WITH MODULE 126

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