This modern day-neat design features a self-winding motion driven via the motion of one's wrist with no need for batteries, shown with the exhibition caseback. A matching yellow gold ion-plated stainless-steel bracelet completes the design. Computerized watches don't incorporate batteries. These are billed via the motion within your wrist. If https://www.watchesworld.com/exploring-the-aesthetics-of-dial-design-and-decoration/