Patek Philippe

Hello, This is my first post here; I've inherited a Parek Philippe within the last few months, but I know very little about it. Any idea as to what the model number, watch material (I suspect it's stainless) is? Let me know if more pictures would be helpf... 

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My photography skills leave much to be desired....  

Okay, looks like I figured this out. I popped off the metal back of the watch case, and found that it's a Ref. 3479, made of 18k white gold. The band is made of the same material. I also see the movement is a 23-300. It's the same watch as pictured here, ... 

Thats a nice vintage watch, and the case is in very nice original condition as well.