Le Tigre se parfume à la dynamite (1965) on Netflix

Plot summary

A wreck on the seabed and the gold in its hold draw the agent Louis Rapière, known as the Tiger, into an international contest. His assignment is to oversee the raising of the vessel and the recovery of its cargo. Other services obstruct the work at every stage, and the Tiger finds opponents on more than one side. One of them is Hans von Wunchendorf, an old Nazi who hides behind the codename The Orchid and dreams of world domination. The treasure is what keeps his people going: a worldwide network of former comrades living in exile. With that gold, the network intends to attempt the endsieg.