It’s raining bling! Audemars Piguet CEO François-Henri Bennahmias isn’t holding back before his impending departure from the brand in 2023. Instead, true to his persona, he’s upping the ante for the Q4 celebrations of the Royal Oak’s 50th anniversary with a flashy lineup of 20 luxury replica Audemars Piguet Royal Oak Selfwinding Rainbow watches (10 in 41 mm and 10 in 37 mm) fully set—from the dial to the bezel to the case to the bracelet—in emeralds, rubies, tourmalines, tanzanites, tsavorites, chrysoberyls and spessartites. Unlike other “rainbow” watches, these are arranged in monochrome settings such as a fully yellow chrysoberyl-set version to one dressed in solid rubies. Each 41 mm best US Audemars…