When the dove is flying around the kitchen, the date on the digital calendar reads "31/12/2026" in spite of the fact that it had changed to "1/1/2027" shortly beforehand.
When the robot attempts to wake up the parents who have been reduced to ash, the father's wrist is adorned with a digital watch which makes a continuous ticking sound, despite the fact that as a digital watch, it would have none of the gears or springs necessary for a ticking sound.