Watch

FIG. 1 is a front elevation view of a watch showing the new design; FIG. 2 is a back elevation view thereof; FIG. 3 is a left-side view thereof; FIG. 4 is a right-side view thereof; FIG. 5 is a top plan view thereof; FIG. 6 is a bottom plan view thereof; FIG. 7 is a perspective view thereof; and, FIG. 8 is another perspective view thereof. The broken lines depict portions of the watch that form no part of the claimed design. The oblique shading lines used in the drawings denote the transparency of the crystal of the watch.