Here is Wattch 1.02 available for download (modified version for even better system portability). sim-wattch-1.02e.tar.gz
Here is Wattch 1.02 available for download (modified version for better system portability). sim-wattch-1.02d.tar.gz
Here is Wattch 1.02 available for download (original version of Wattch code). sim-wattch-1.02.tar.gz
Here is power.c for Wattch 1.02. power.c