Funny you posted this. Two days ago I had a stupid moment, to see if my 2008 sub was 304l which read is not magnetic . So I had a small powerful magnet. put it up to the case and there was no pull ! Then it hit me I just messed up the movement so I tested the accuracy. Before doing the stupid thing my sub ran 6 sec fast per 24 hours every day since I bought it in @))*. NOW 25 seconds per 24 hours!! Just dropped it off at AD with Rolex trained watchmaker on site.
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