This modern-interesting design features a self-winding motion driven from the motion within your wrist with no need for batteries, exhibited with the exhibition caseback. A matching yellow gold ion-plated stainless steel bracelet completes the design. Gold Plated: Regular gold plating is rarely used in modern watches, but is frequently noticed https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/