Carbon texture across the case
Carbotech is the visible signature of PAM01513. Its composite case and unidirectional bezel have non-uniform graining, so the dark surface has depth even without a bright color. That broken pattern runs around the crown bridge as well as the bezel and separates this watch from a black-coated steel Submersible. The 44mm QuarantaQuattro size gives the composite enough area to register clearly, while the anthracite gradient dial prevents the center of the watch from becoming one flat dark field. This is a material-led design with the GMT adding genuine utility to the choice.















