Royal Oak Chrono Tourbillon
Steel Audemars Piguet Royal Oak Chrono Tourbillon 25977ST.OO.D002CR.01. Case diameter 44mm. Water resistant to 20 meters. Automatic AP Calibre 2889 movement. 21,600vph, 25 jewels, 70-hour power reserve, 290 parts. Breguet balance spring. The mainplate & bridges are made of Nickel Silver – an alloy which resists oxidations & remains stable over long periods of time. Black Grande Tapisserie dial with gold applied hour-markers with luminescent coating, gold Royal Oak hands with luminescent coating, Functions: Tourbillon, chronograph, hours, minutes, small seconds. 30 minute counter at 3 o’clock and small seconds at 9 o’clock. The chronograph function is fitted with titanium lever in the mechanism, thus eliminating the phenomenon of the “jumping chronograph hand” when starting the chronograph function. Black croc strap with Steel Skeletonised AP Folding Clasp. Box and papers dated 2014. Our reference A1457.
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(replacement cost £165,000)