the quiksilver cypher 3/2m wetsuit that i have is the hydrolock seam seal which has liquid seal on the outside of the wetsuit and the inside theres stitching there. my friend has a different kind of cypher 3/2m where the stitching is outside of the wetsuit and inside there is the yellow tape. i think that feature is called the flexmax seal seam. i dont think there is a quiksilver cypher wetsuit where the outside seams are liquid sealed and inside is taped.
Not all but most. Xcel Drylock Powerseam, Rip Curl Flashbomb Plus, O'Neill Psychofreak are a few I can verify use stitchless seams, sealed on the inside and outside. These are all very pricey suits.