Flooded GMT Master II

[Montremoi]

Originally Posted by Tools

It would still be water resistant if the watch has been maintained and the inner seals are still viable.

It also is a guess that the leak was through the crown.... many leaks are through degraded crystal seals.

Thanks for these insights

As a rule of thumb, when shall we consider that the seals may start to put the watch at risk ? Say, after 10 years ? (Recommended interval between revisions IIRC).