Watch Case

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