My 3800 T SWISS T Aeronavale, although not as historic as your wonderful Aeronautique, is my 7 s/d daily wearer this winter and ageing, unlike me, beautifully.
At least this one below is a step in the right direction. Now make it in steel and perhaps on a steel bracelet and we have a winner. Although, Breguet again stopped short of making a perfectly beautiful chronograph by NOT designing it with a HORIZONTAL cl...