Anant Ambani recently wore the Richard Mille RM 52-04 Skull Blue Sapphire watch, valued at ₹22 crore. This rare timepiece is one of 3 pieces ever made, according to Vintage Grail, a luxury watch store. The Richard Mille RM 52-04 is crafted in a single piece of sapphire and features a pirate skull and crossbones in the tonneau-shaped case.