DISPLAY DEVICE

A meter device which can be mounted and removerd easier than conventional meter devices. A meter device is provided with a display plate (20), a circuit board (30), a middle case (40) which is disposed on the front surface side of the circuit board (30) and on which the display plate (20) is mounted, an upper case (50) which is disposed on the front surface side of the middle case (40) and through which the front surface can be seen, and a lower case (60) which covers the middle case (40) and the circuit board (30). A flange section (400) which is sandwiched and held between the upper and lower cases (50, 60) is provided to the peripheral edge of the middle case (40). One of the upper case (50) and the lower cases (60) is provided with engagement sections (510, 523), and engagement sections (600) which engage with the engagement sections (510, 523) are provided to the other of cases (50, 60) so as to correspond to the engagement sections (510, 523).