There doesn’t appear to be a normal user-facing way on Sony Alpha bodies like the A6000/A5100 to view a lifetime video-recording count or total recording time. The camera’s media info screens only show card-related information, not overall usage history.

What you can check is shutter count for still photos. With an original JPEG or RAW file from the camera, Sony shutter-count tools can read the actuation count from metadata. That won’t tell you video use, but it can indicate whether the camera was heavily used for photography.

Also, video use generally doesn’t wear the camera the same way stills do. The main mechanical wear item is the shutter, so heavy still-photo use is usually more relevant than a small amount of video recording. Battery condition can also decline with age or poor storage.

So: no reliable built-in video-usage counter is known, but shutter count plus an overall condition check is your best practical way to assess a used A6000.