The ornamental design for a wrist recorder, as shown and described.
FIG. 1 is a top, front and left side perspective view of a wrist recorder showing my new design;
FIG. 2 is a bottom, rear and right side perspective view thereof; and
FIG. 3 is a top plan view thereof.
The broken line showing of the strap and the displayed time are for environmental purposes only and form no part of the claimed design.