Mabuhay!!! (Welcome in Tagolog.....I really had to dredge up the old dead brain cells to remember that one)
I learned scuba in the Phillippines .... let's just say, a long, LONG time ago. (old guy alert)
I tried just swimsuit diving and got cold at depth after multiple dives. 3mm is just about right for the P.I.
3mm is also good for the Caribean.
A shorty would do for either. But I prefer a jumpsuit for protection from the sun and stinging beasties.
Now a fatherly warning.... the P.I. is really unstable right now. It was a little dangerous in places, 30 some odd years ago when I lived there. But it's on the list of places you really want to watch your back now. Kidnapping has almost become a sport in some places. Be careful. Dive safe.
Oh.... there is a Japanese "Betty" bomber about 4 miles southeast of Nueva Vizcaya at about 65 feet on a reef ledge. It was "soft landed" so it sank almost intact. Wings were still attached. It's pretty remote so it was ALL there....instruments and everything untouched....at least it was 30 years ago. If you get down to the Southern Islands, it might be worth trying to hunt down. I don't have an exact location. Ask around if you get down that way.
Wish I could go with you.... I loved the P.I. Great reefs, tons of fish. San Miguel beer:wacko: ...I really miss that beer. The import stuff isn't even close.