Breguet

Hi all, Wanted to get some insight from fellow members regarding Breguet movement servicing/upgrade. My under standing is that the caliber 502 -- F.Piguet 71 -- has been upgraded over the years in several aspects, including freesprung balance, silicon esc... 

and will report back when I hear from him. Bill

Thank you so much - can't wait to hear what they say!