Stuhrling Original Men's 165F.333K31 Winchester General Automatic Skeleton Gold Tone Watch This watch, from Stuhrling Original's "Winchester" family, salutes the classic era of watchmaking by boldly displaying its mechanics and automatic movement through a fascinating skeleton dial. Automatic self-winding movement powers automatically with the movement of the wearer's arm and never requires a battery. Protective Krysterna crystal dial window Water-resistant to 50 m (165 feet)