Ref.1801, "Grande Complication – Tourbillon 1801 – 2001", No. 834
21 jewel Cal. 557 movement adjusted to six positions, right angle lever escapement within a polished steel one-minute tourbillon carriage, monometallic balance, polished spring with Breguet overcoil, blued steel seconds hand carried by tourbillon shaft, eccentric silvered gold dial set into movement plate, polished roman chapter ring enclosing a guilloché center with signature and number, blued Breguet hour and minute hands, the reverse profusely engraved with scrolls, additional signature and No. 1917, the gold case with reeded edge, guilloché hinged front cover with aperture to view dial and polished oval cartouche signed "tourbillon", crown incorporating button to open lid, glazed back, makers original leather strap and rose gold deployant clasp, together with original packaging, burl wood fitted display box, oval guilloché folding loupe, signed Breguet, two spare leather straps, Guarantee and Instruction booklets and Tourbillon Certificate. case, dial and movement signed. 41.5mm