Here's what I have found
By: DrStrong : March 12th, 2008-00:59
ref.5580 is 34mm across and 11mm thick: ref.2585 is 38mm across and 13mm thick Obvisouly the watch is larger, has a new design and has received screw down corwn and pushers. I don't see why the movement would have changed. I did not find anything about re...