PARIS — By all logic, Chanel should be floundering. A global juggernaut without a captain, the house has been in limbo since the abrupt departure of Virginie Viard, drifting toward an uncertain horizon while awaiting the arrival of Matthieu Blazy in the fall.

A global juggernaut without a captain, the house has been in a state of limbo since the abrupt departure of Virginie Viard, drifting toward an uncertain horizon while awaiting the arrival of Matthieu Blazy in the fall.