Wena By Sony Watch Head Mechanical Black WNWHTM01BB.AE. Classically inspired design formed by tough, impact and scratch resistant spherical sapphire glass and a mechanical movement visible through a transparent back. The name wena stands for, wear electronics naturally, and expresses how everyday products can evolve with innovation. Choose a wena wrist pro or wena wrist active smart band, combine it with your precious watch or a new watch face, then discover a whole range of smart functions without compromising tradition.