EUC. Had it for a year, just upgrading to a multi watch model. Black hard coated textured resin exterior with black gloss trim frame; open face design allows to fit any size automatic wrist watch Patented Rotorwind winding system (swings back & forth mimics natural movement of wrist) - 2 Winding Cycles: 8 min (1200-1300 TPD); 12 min (800-900 TPD) * Turns Per Day Powered by Long-Lasting Lithium Batteries (Up to 5 years) 4.2 x 5.7 x 5.8 inches (Compact; ideal for safes or as a tabletop version)