Was curious about this myself. I've gone deeper than 40m on a recreational dive, blue hole I think. Obviously they aren't 'supposed' to do that, but it obviousl

Was curious about this myself. I've gone deeper than 40m on a recreational dive, blue hole I think. Obviously they aren't 'supposed' to do that, but it obviously routinely happens and it'd be a bummer if your fancy watch dies at that depth