Audemars Piguet Royal Oak 25594BA

Case Octagonal case in 18k yellow gold, brushed and polished, bezel in 18k yellow gold fixed by 8 white gold screws, brushed and polished, solid golsd caseback fixed by 8 screws engraved with Royal Oak logo, hexagonal winding crown at 3 o’clock signed AP Bracelet Royal Oak bracelet in 18k yellow gold, brushed and polished, second-generation double folding clasp signed AP Dial Black dial, gold signature Audemars Piguet and Automatic, applied baguette indices in yellow gold, luminous, applied raised AP logo in yellow gold at 12 o'clock, bold baguette hands in yellow gold, luminous, recessed sub-dials with yellow metal outline - date at 3 o'clock and day of the week at 9 o'clock, moon phase at 6 o'clock Movement Self-winding mechanical movement, rotor with 21k gold centrifugal mass, rhodium coated rotor and bridges with Côtes de Genève, mainplate with perlage, engraved and gilt inscriptions, functions: hours, minutes, date, day of the week, moonphase Cal. 2124 Ref. 25594BA Movement No. 280*** Case No. No 5** D= 36mm Year 24.01.1985