watchfred on Instagram: “Back to the roots for Sunday - Brevet or patent 217012, applied for in 1940, covering … | Vintage watches, Breitling watches, Cool watches
Sold at Auction: Breitling Chronomat 217012 Swiss Watch
A Very Rare and Stunning Breitling Chronomat - Patent 217012 - Model: – Vintage Watch Specialist
1950 Breitling 217012 Chronomat 809 with gold plated case and Venus cal. 175 - TIMELINE.WATCH collection
Vintage 1942 Breitling Chronomat Steel Chronograph Aviator Pilots Watch Model 769 For Sale To Buy – Meticulous Watches
Breitling Chronomat 217012 - Farfo.com
Vintage Breitling Chronomat 217012 Ref 808 Case Back for watch repair | eBay