Watch case

FIG. 1 is an enlarged-scale front, right side, bottom perspective view of a watch case showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front elevation view thereof, with a watchband attached.

The broken lines in the drawing illustrate portions of the watch case that form no part of the claimed design.