Rolex Sky-Dweller 42 mm Champagne Dial — Key Specs (Reference 326238) Feature Specification Model Name Rolex Sky-Dweller 42 mm Reference 326238-0007 (Champagne Dial) Case Size 42 mm Case Material 18 k Yellow Gold Bezel Fluted, bidirectional Ring Command bezel in yellow gold Dial Color Champagne with luminescent index markers Crystal Scratch-resistant sapphire with Cyclops date magnifier Movement Rolex Calibre 9001 automatic, self-winding Power Reserve Approx. 72 hours Functions Dual time zone (24-hr display), Annual calendar (Saros system), Date, Month Bracelet/Strap Black Oysterflex strap with folding Oysterclasp Glidelock extension Water Resistance 100 m / 330 ft Certification Rolex Superlative Chronometer (-2/ 2 sec/day) Style Category Luxury Travel / Annual Calendar Watch