Without considering the relative market values on both sides of the trade, because I don't know what they are I'm not really moved by the Blancpain FF. I might be tempted to give up one of the 44mm Luminors and one of the Subs in trade on the AP. If it were me I'd probably hold onto the 390 and the 92 (personal preference).
"But sometimes when you bring the thunder, you get lost in the storm." K.P.