Breguet 5317BA /12 /9V6 Tourbillon

Breguet Classique “Grande Complication“ wristwatch in 18-carat yellow gold, with tourbillon. Self-winding movement engraved by hand. 5-day power-reserve indicator. Running seconds on the tourbillon shaft. Compensating balance spring with Breguet overcoil. Silvered gold dial, hand-engraved on a rose engine. Sapphire caseback. Also in pink gold or platinum.