For sure, this chronograph has nothing to do with the pen, which launched its own line of much later than the 1970s. We couldn’t find much about the history of this chronograph, especially since the movement and back are unsigned. Nonetheless, its good looks are obvious, with an attractive flat bezel and striking orange center chronograph seconds hand. The date window at 6 o’clock indicates that the manufacturer used the reliable Valjoux 7734, which can also be found in the contemporary Tudor Monte Carlo.
The Italian dealer CasoWatches just listed this rather enigmatic chronograph here, with a 3,500 euro (or around $3,900) asking .