PAM newbie, questions about my 112

[Justinsyndicate]

Copped an O-series 112 this week as my first PAM. Some general questions about its use; I was told at the AD to give it about 15 twists on the crown to wind it up. I did that and only got about 30 hours of run time. If I keep winding, will I get closer to the advertised 56 hour power reserve?

Also, the 300m water resistance rating seems quite generous based on the feel of it. I'm the type to wear a watch 24 hours a day including time at the gym, swimming, and diving while on holiday. Is it okay to trust that rating?! I did see a recent 000 with a water breach but am wondering if this is an aberration. PAM repping on the Furthur tour.