I've sent watches to Duncan The Watch Bloke for this, but iirc he only tested to 100m, which I was more than happy with.
If it's safe to 100m, it's sealed and will be fine for swimming, snorkelling or whatever.
I've sent watches to Duncan The Watch Bloke for this, but iirc he only tested to 100m, which I was more than happy with.
If it's safe to 100m, it's sealed and will be fine for swimming, snorkelling or whatever.