Rolex Sky-Dweller 18kt Everose Gold, Saros Annual Calendar with Dual Timezone, Chocolate Arabic Dial, Fluted Bidirectional Rotatable Rolex "Ring Command" Bezel, Screw-Down Crown with Twinlock Double Waterproofness System, Superlative Chronometer Rolex Manufacture Caliber 9001 Self-Winding Movement with Paramagnetic Blue Parachrom Hairspring and High-Performance Paraflex Shock Absorbers, Gorgeous Bespoke Chocolate Brown Rubberb Strap with Red Lining and an 18kt Everose Gold Fold Over Deployant Buckle, 42mm

The 42mm diameter solid 18kt Rose Gold three-body case, integral lugs, bracelet, and fluted rotating bezel are polished/brushed. It has the rotatable "Ring Command" bezel that can be set to three functions, including date, local time or a GMT reference time, utilizing the winding crown and allowing unrestricted setting. It has a solid screw-down case back and the Twinlock double water-resistant Rolex crown. The dial is chocolate brown with applied Arabic numeral hour markers, skeleton hands with luminous inlays, and an outer minute/seconds track with 12 indicators for the Saros annual calendar with discreet rectangles that turn black to show the corresponding month. An inner dial measures the GMT 24-hour time zone with black Arabic numerals, and there is a red triangle indicator at 12 o’clock. There is a rapid-set date aperture window at 3 o’clock. This is a certified Swiss chronometer, tested by the Swiss Official Chronometer Testing Institute (COSC). The case, dial, and movement are all signed.

The mechanical automatic self-winding Rolex caliber 9001 movement is rhodium plated, with 380 components, a Paramagnetic blue Parachrom hairspring with a Breguet overcoil, and high-performance Paraflex shock absorbers. It has a traversing balance bridge, and a large balance wheel with variable inertia and four gold Microstella nuts. The mechanism oscillates at a frequency of 28,800 vph (4 Hz).

Reference No. 326135