Smart Watch Band

FIG. 1 is a front perspective view of a smart watch band showing our new design; FIG. 2 is a front view thereof; FIG. 3 is a rear 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 rear perspective view thereof. The dashed broken lines in the figures depict portions of the smart watch band that form no part of the claimed design.