Gen crown - probably not, the tube won't match.
Gen dial - when they say modification it means cutting off the dial feet.
Gen hands no, but maybe on the 324 clone.
Gen bracelet, probably not without modification. The tolerances on the pin that attaches it are tight.
That certainly is not a 3700 braclet, maybe a 3710 even if I think the price is really too low for it to be gen...
There is a full bracelet for the 3700: https://www.chrono24.com/patekphili...el-bracelet-for-ref-3700-3710--id15044210.htm
Of course it would require some work to fit but might be the closest you can get.
Otherwise you can like I do start buying individual links and hope that one day I will have the full bracelet. LOL