Gives the dimensions of packing rings of following types and their relevant dimensions in back cover and bezel for housing.
Type A Flat type packing suitable for WR-1 type watch case (see IS : 10361-1983 'Classification of wrist watch cases').
Type B 0 —ring type packing suitable for WR-2 and WR-3 type watch cases (see IS: 10361-1983).
IS 10365-1982 history
1983IS 10365-1982 Packing ring and housing dimensions for case back connector