Looking at the photo of the caseback, the diameter of the display window may not be large enough to see the edge of the movement where these are engraved, but it may be close... But it looks like a 2824, not a Miyota.ianblyth wrote:ETA movements have a cloud symbol with ETA inside and the model of the movement that can be seen through a display back.
Edit: looking again, maybe it is big enough. Break out the magnifier...