TF IWC Portuguese Tourbillon Reverse Series, equipped with a customized version of IWC Auto 51900 automatic true tourbillon movement

TF IWC Portuguese Tourbillon Series Equipped with a customized version of the IWC Autonomous 51900 automatic true tourbillon movement, achieving the same true function of the original calendar flyback and 3-digit power reserve display. Equipped with a crocodile leather strap