The Rolex Sky-Dweller in white Rolesor combines 18k white gold with Oystersteel in a sophisticated 42mm case. This masterpiece features a bright blue dial with index hour markers, a scratch-resistant sapphire crystal with Cyclops lens, and a fluted bidirectional rotatable bezel for enhanced grip and style. Powered by the Rolex 9002 manufacture movement, this watch offers dual time zones with a 24-hour display, an annual calendar function with rapid date and month setting via 12 apertures, and approximately 72 hours of power reserve. The screw-down crown with Twinlock double waterproofness system and screw-down caseback ensure exceptional durability. The Oyster bracelet features three-piece solid links and a folding Oysterclasp buckle with Easylink 5mm comfort extension link for all-day wearability. Water-resistant to 100 metres / 330 feet, this timepiece is engineered for both elegance and reliability.