Simple clear white dialed chronograph, nice case. Valjoux 72. As written on the papers, from the mid 60's. One of my vintage JLC treasures. Best, Nicolas...
Also with Valjoux 72: a bit bold, whereby yours is more elegant ! But I simply love this piece, found in Paris, already several years ago. - Has some nice little story connected to it. But you know that very well ! Cheers & Best, hs. ...