An electronic device comprising: a first watch module including: - a first body , - a watch movement located in the first body , - a first window connected to the first body , - a watch hand located between the watch movement and the first window , connected to the watch movement , and adapted to receive driving power from the watch movement , and - a first display located between the first window and the watch hand ; and a second watch module including: - a second body extended from the first body , - a circuit board located in at least one of the first body and the second body , - a second window connected to the second body and formed integrally with the first window , and - a second display connected to the circuit board , wherein the first body and the second body form a bending so that a direction which the first window faces outwards is different from a direction which the second window faces outwards, and are communicated to each other, wherein the first display is configured to operate in one of display states including: - a first display state in which the watch hand is projected through the first window and information is displayed on the first display , - a second display state in which the watch hand is projected through the first window but information is not displayed on the first display , and - a third display state in which the watch hand is not projected through the first window and information is displayed on the first display . a first watch module including: - a first body , - a watch movement located in the first body , - a first window connected to the first body , - a watch hand located between the watch movement and the first window , connected to the watch movement , and adapted to receive driving power from the watch movement , and - a first display located between the first window and the watch hand ; and - a first body , - a watch movement located in the first body , - a first window connected to the first body , - a watch hand located between the watch movement and the first window , connected to the watch movement , and adapted to receive driving power from the watch movement , and - a first display located between the first window and the watch hand ; and a second watch module including: - a second body extended from the first body , - a circuit board located in at least one of the first body and the second body , - a second window connected to the second body and formed integrally with the first window , and - a second display connected to the circuit board , - a second body extended from the first body , - a circuit board located in at least one of the first body and the second body , - a second window connected to the second body and formed integrally with the first window , and - a second display connected to the circuit board , wherein the first body and the second body form a bending so that a direction which the first window faces outwards is different from a direction which the second window faces outwards, and are communicated to each other, wherein the first display is configured to operate in one of display states including: - a first display state in which the watch hand is projected through the first window and information is displayed on the first display , - a second display state in which the watch hand is projected through the first window but information is not displayed on the first display , and - a third display state in which the watch hand is not projected through the first window and information is displayed on the first display . - a first display state in which the watch hand is projected through the first window and information is displayed on the first display , - a second display state in which the watch hand is projected through the first window but information is not displayed on the first display , and - a third display state in which the watch hand is not projected through the first window and information is displayed on the first display . <EOS>