Yes I do own a classic "old blue" Scuba Dude

I bought this about 2009 or so. 
Still runs, very comfortable on this simple canvas strap.


 

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... And will run for a long time. 

In my expiriance, dont use it in saltwater because the crown rusts easily. 

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That vostok will run and run. Outlive all of us I expect!

I've worn mine in the sea and rinsed it off afterwards. No sign of rust!

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I'll be ordering one of these just as soon as Russia is out of Ukraine, so interesting!