FIG. 1 is a front elevational view of a watch case showing my new design;
FIG. 2 is a back elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a front, right side perspective view thereof; and,
FIG. 8 is a back, left side perspective view thereof.
The broken lines in the drawing figures depict portions of the watch that form no part of the claimed design.