Can you name an old (90's) erotic movie that had a young woman as an android in it.?

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I've just heard of the first sex-bot that just came out, and this reminded me of an erotic movie that had an android as a young woman. I remember towards the end of the movie, her male partner grew old, but she stayed young, because she was an android. This movie played back in the 90's and just can't remember the name of it. Can anyone guess? Thanks