FIG. 1 is a front and top perspective view of a smart watch, showing my new design;
FIG. 2 is a rear and bottom perspective view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is an enlarged top plan view thereof;
FIG. 8 is an enlarged bottom plan view thereof;
FIG. 9 is an enlarged view of portion 9 shown in FIG. 1; and,
FIG. 10 is an enlarged view of portion 10 shown in FIG. 2.
The dash-dot-dash broken lines in FIGS. 1, 2, 9, and 10 are included to show a partially enlarged view only and form no part of the claimed design.