ETA 902.002 Watch MovementETA 902. 002 movement ETA 902. 002 movement with date functions are the most important part of a watch because it is the heart and brains of the timekeeping devices. You need to have a movement if you want your watch to work. ETA 902. 002 movement are the new style of movement. It is built to last and come ready to install. Outside Diameter: 6 3 4 x 8 Ligne or 15. 3 x 17. 8 mm Movement is 2. 35 mm thick The height from the bottom of the watch movement