Rolex 126509 Cosmograph Daytona 18kt White Gold with Monobloc Middle Case and Screw-Down Case Back with Winding Crown, Gorgeous Rare Bright Black & Steel Diamond Dial, Diamond-Set Hour Markers with Spray-Coated Counters and 18kt White Gold Applique Hour Markers and Hands with a Chromalight Display, 18kt White Gold Tachymeter Engraved Bezel, 18kt White Gold Three-Piece Oysterlock Bracelet with Folding Oysterlock Safety Clasp and Easylink 5mm Comfort Extension Link.

The 40mm diameter Oyster solid three-body case, bracelet, and flat bezel with a tachymeter graduation to 400 UPH, are polished/brushed. The dial is a Rare Bright Black & Steel Diamond Dial with Diamond-Set Hour Markers with Spray-Coated Counters, luminous white gold baton hands, a center sweep chronograph second hand with an arrow tip and a small ovoid counterbalance, and there is a luminous white perimeter minute/seconds scale. It has three recessed subsidiary dials with Arabic numerals, markers, inner accent rings, and white gold indicator hands, including a constant running small seconds register at 6 o’clock, a 12-hour chronograph register at 9 o’clock, and there is a 30-minute chronograph counter at 3 o’clock. It’s water resistant to 100 meters/330 feet, it has a 72-hour power reserve at full winding, and the 12mm thick case, dial, and movement are all signed. It has a solid screwed-down case back and chronograph pushbuttons, and the crown guard protects the signed Triplock winding crown. 

This Rolex Cosmograph Daytona 126509 has a mechanical automatic self-winding Rolex caliber 4131 column wheel chronograph movement. It’s rhodium-plated, and it’s constructed with 47 jewels, a shock absorber mechanism, a straight-line lever escapement, and a monometallic balance that’s adjusted to temperatures and 5 positions. It includes a self-compensating free-sprung Breguet balance spring with Variable inertia, a hacking seconds device, Microstella regulating screws, a blue Parachrom hairspring and overcoil, and the mechanism oscillates at a frequency of 28,800 vph (4Hz). This updated movement features Rolex Co?tes de Gene?ve faux gold chatons with Traversing bridges.

Reference No. 126509