1. 
   abraham-breguet
   Swiss born watchmaker working in Paris from c1762. He specialised in subscription watches or souscription watches which were made to order for clients or subscribers, and self-winding watches.
   Found op http://www.antique-marks.com/antique-terms-b.html
   
   
2. 
   Abraham-Louis Breguet
   Abraham-Louis Breguet or Bréguet (10 January 1747 – 17 September 1823), born in Neuchâtel, Switzerland, was a horologist who made many innovations in the course of a career in watchmaking in France. In his lifetime he was considered the leading watchmaker of his day, and he built up a clientele...
   Found op http://en.wikipedia.org/wiki/Abraham-Louis_Breguet
   
   

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