Audemars Piguet Royal Oak Perpetual Calendar 25820SP Steel & Platinum
Case : Octagonal case in stainless steel, brushed and polished, bezel in platinum 950 fixed by 8 white gold screws, polished, exhibition caseback fixed by 8 screws engraved with ‘Audemars Piguet Swiss Made Quantieme Perpetuel Automatique’, case and serial numbers, hexagonal winding crown at 3 o’clock with ‘AP’ logo engraved
Bracelet : Royal Oak stainless steel bracelet with central links in platinum 950, Audemars Piguet second-generation double folding clasp in stainless steel
Dial : Black dial with tapisserie relief pattern, signed ‘Audemars Piguet Automatic’, outer ‘railway’ minute track with applied hour markers, ‘stick’ hour and minute hands, recessed sub-dials with silvered brushed outlines of moonphase at 6 o’clock, day of the week at 9 o’clock, date at 3 o’clock, month and leap year at 12 o’clock
Movement : Self-winding mechanical movement, ultra-thin, rhodium coated, black open-worked rotor with Royal Oak bezel motif and 21k gold heavy segment, bridges with Côtes de Genève, mainplate with perlage, engraved and gilt inscriptions, functions: hours, minutes, moonphase, perpetual calendar with date, day of the week, month and leap year
Cal : Audemars Piguet 2120/2802 (base JLC)
Ref : 25820SP.OO.0944SP.02
D : 39 mm
