Audemars Piguet Royal Oak Selfwinding Watch - 15451ST.ZZ.1256ST.03 5159J001 interchangeable full back and sapphire

interchangeable full back and sapphire crystal back

grey rubber strap with textile decoration

caliber 324 S F C FUS self-winding movement Calatrava Pilot Travel Time (dual time zone mechanism indicating local and home time

The dial features luminous hour markers and hands

Audemars Piguet Royal Oak Selfwinding Watch - 15451ST.ZZ.1256ST.03 5159J001 interchangeable full back and sapphire37 mm stainless steel case, 9. 8 mm thick, glareproofed sapphire crystal back, diamond set bezel, glareproofed sapphire crystal, blue dial with Grande Tapisserie pattern, white gold applied hour markers and Royal Oak hands with luminescent coating, Calibre 3120 selfwinding movement with dive time measurement, hours, minutes, center seconds and date, approximately 60 hours of power reserve, stainless steel bracelet, AP folding buckle. Water resistant