Case is 43.5mm with a thickness of 13. 30mm, in 18K Breguet gold with double-stepped fluted caseband, hollowed lugs with blue ALD-treated inlays, box-type sapphire crystal and sapphire caseback, water resistant to 100m. Sapphire regulator dial with hours at 6 o’clock, offset minutes and seconds on the tourbillon at 12, gold chapter rings and open-tipped hands enhanced with Super-LumiNova, plus a blue ALD-treated titanium seconds hand with Marine-anchor counterweight. Movement is in-house manual-winding caliber 7250 in 18K Breguet gold, 10Hz (72, 000vph) tourbillon with constant-force magnetic escapement, twin series-coupled barrels with four blue springs, 266 components and 37 jewels, Breguet Hallmark certified in the Scientific class to ±1 second per day and resistant to magnetic fields up to 600 gauss. Power reserve is 72hrs. Limited to 75 pcs. Priced at CHF 320, 000