Breguet

I heard back from Breguet about what movements are in the 3 new Marine models. First, the time and date Marine 5517. This model ditches the F.Piguet movement of the previous big date 5817 and replaces it with the movement from the Classique 5177. It's an ...  

I shall revisit these pieces later. Thanks for highlighting the core differences here. Best, Magnus