You seem like you made u your mind already, so just get what you think is better.
As many have already told you, it is a REP it could come DOA with any movement. If you think the SA3135 will die in 2 days them why are you asking what one to get. If you want more GEN lime rep, the SA3135 is the only choice because as many have already said- The case for a 2836 is wrong and not Gen like, the time and date setting on a 2836 is wrong and not Gen like. If you want reliable buy a Casio watch for $40 and call it a day.
But don't keep asking what one to get if you are just going to keep saying SA3135 is unreliable. If you don't think it is reliable, than it is not for you. Myself and others on here will just have to worry every day for years if our SA3135 will die. And for years we will have to stare at our more Gen like SA3135 not knowing when the last day they will work. It is a terrible burden that we SA3135 owners have to bare alone. Every day when I look at my Gen like Sub, I will just have to smile and worry. Casio is best for you [emoji16]
I couldn't stop laughing after I read this response. brilliant response. ohhh the comedy and humor of the forums. the best comedy anywhere.. Great answer