A semiempirical model potential to simulate properties of fcc transition metals is proposed. The attractive part of the potential has been obtained from a tight-binding Hamiltonian that takes into account the symmetry of the d orbitals and leads to a 2/3 power dependence on the effective coordination (or second moment of the local density of states) instead of the usual square-root dependence. The repulsive interaction is assumed to be of the Born-Mayer type. In order to use this potential for specific materials, four parameters are adjusted with experimental data. We present two different parametrizations and calculate bulk, defect, surface, and cluster properties comparing with experiment, ab initio calculations, and the usual second-moment approximation.