Help! Quick SMPc 300 waterproof question.

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I always wear my SMPc to the gym and this morning as I was halfway down the pool on my first length, I remembered I had set the time last night so I stopped and checked and yep, I hadn’t screwed the bloody crown back in. Seems okay at the moment - I can’t see any water or condensation inside so do you think I’ve got away with it? Should I loosen the crown and He valve and put it in the airing cupboard?
Thanks.
 
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I think it is good for 50 m when the crown is unscrewed. There should be something about it in the manual.
 
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I did the same last week with mine and it’s been fine
 
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I think it is good for 50 m when the crown is unscrewed. There should be something about it in the manual.

Source?
 
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Thanks all. I’ll have to dig out my manual and have a look. Still okay at the moment.