Preheat the air fryer to 390°F for 3 minutes if recommended. Lightly oil the basket.
Pat the chicken dry, cut it into 1-inch pieces and season with most of the salt plus black pepper.
Put flour in one bowl. Whisk eggs and water in a second. Mix panko, spices, remaining salt and oil in a third.
Coat each piece lightly in flour, dip it in egg and press it into the seasoned panko.
Arrange the nuggets in one uncrowded layer and cook at 390°F for 5 minutes.
Turn, mist dry crumbs if needed and cook for 4 to 6 minutes longer, removing each piece when it reaches 165°F.
Rest for 2 minutes on a clean plate or wire rack before serving.