glareproofed sapphire crystal back
Arabic numerals with two diamond hour markers
enamel Arabic numerals
interchangeable full and sapphire-crystal back
28mm yellow Rolesor case comprised of a 904L steel monobloc middle case
Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Watch - 26231BA.ZZ.D027CA.01 Finish glareproofed sapphire crystal back37 mm 18K yellow gold case, 12. 35 mm thick, sapphire crystal back, 18 carat yellow gold pushpieces and screw locked crown, diamond set bezel, blue dial with Lady Tapisserie pattern, yellow gold toned counters, blue external zone, yellow gold applied hour markers and Royal Oak hands with luminescent coating, Calibre 2385 selfwinding movement with chronograph, hours, minutes, small seconds and date, approximately 40 hours of power reserve, blue rubber