Rolex 116523 Daytona Blue Dial 18K Yellow Gold / SS (32640)

32640 Rolex 116523 Cosmograph Daytona, stainless steel and 18k yellow gold on a stainless steel and 18k yellow gold oyster bracelet, automatic Rolex caliber 4130, 12-hour chronograph, blue dial with contrasting gold-rimmed sub dials, luminous yellow gold hands, sapphire crystal, water resistant to 100 meters, scrambled series, diameter: 40mm, thickness: 12mm. Like new with original box and papers dated July of 2015.


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More about Rolex 116523 Daytona Blue Dial 18K Yellow Gold / SS

This is an unworn stainless steel/18K yellow gold Rolex Cosmograph Daytona 116523. It has an integral stainless steel and 18k yellow gold Oyster bracelet, a scratch resistant sapphire crystal, and round chronograph push buttons. The screwed-down Triplock winding crown is protected by the crown guards, and the 40mm diameter solid three-body case, screwed down solid case back, Oyster bracelet and crowns are polished/brushed. The dial is blue with luminescent gold baton hands, applied quarter hour numerals, a central sweep chronograph hand, and an outer minute track. There is a tachymeter graduation on the gold bezel to 400 UPH. It has a subsidiary dial for the small seconds at the 6 o'clock position, a 12-hour sub dial at 9 o'clock, and a 30-minute register at 3 o'clock. It's water resistant to 100 meters/330 feet, and the 12mm thick case, dial, and movement are all signed.

This Rolex Cosmograph Daytona 116523 has a mechanical automatic self-winding Rolex caliber 4130 movement that's rhodium-plated, with oeil-de-perdrix embellishment. It's constructed with 44 jewels, 289 components, a shock absorber mechanism, and a straight-line lever escapement. It includes a monometallic balance that's adjusted to 5 positions, a self-compensating free sprung Breguet balance spring, and Microstella regulating screws.

In 1963 Rolex introduced the Cosmograph Daytona, the chronograph that was a professional instrument for endurance racing drivers, with a tachymetric scale for measuring average speed on the bezel, and a cluster of subials that are reminiscent of a Ferrari dashboard. In 2000, they debuted this evolved 4130 caliber movement.