DEAN WITTER SELECT DIMENSIONS INVESTMENT SERIES, 497J, 1997-05-02

DEAN WITTER SELECT DIMENSIONS INVESTMENT SERIES
497J, 1997-05-02

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          DEAN WITTER SELECT DIMENSIONS INVESTMENT SERIES
                    TWO WORLD TRADE CENTER
                    NEW YORK, NEW YORK 10048





                                   May 2, 1997


Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C.  20549

Re:  Dean Witter Select Dimensions Investment Series
     File #33-54047
     Rule 497(j) Filing                         

Dear Sir/Madam:

     On behalf of the Registrant, the undersigned certifies that
the form of Prospectus and Statement of Additional Information that
would have been filed under Section 497(c) would not have differed
from those contained in the text of the Registrant's most recent
registration statement that was filed electronically via EDGAR with
the Securities and Exchange Commission on April 21, 1997. 




                                   Very truly yours,
                                   /s/ Marilyn K. Cranney
                                   Marilyn K. Cranney
                                   Assistant Secretary
                                   


cc: Randolph Koch
    Barry Fink, Esq.