I have been wearing the Squale Tropic which I think is the 30 atmos case.
I've been nothing but impressed with it's build quality, it stands up against the Tudor and Sinn's I've owned. Polishing vs brushing is sharp and there's a lot of subtle elements in the case that I really like about it. For example I really like the subtle bevel from back to front around the whole case (so the sides of the case are slightly angled).
It also came very well regulated from the factory at -2 a day.
https://image.ibb.co/hRYgkq/6-FAF5-A...DB7-E178-A.jpg
People have complained that the end links are a little fiddly to refit on the bracelet, whilst this is true it does also mean there is absolutely zero play once fitted.
Not sure what the QC is like with Squale as I may have got really lucky and got one that's spot on.. But in my experience you get a lot for the money.