Rolex, Daytona Black Dial, Ref. 116520

SPECIFICATIONS

Rolex: Rolex
Model: Oyster Perpetual Cosmograph Daytona
Reference Number: 116520
Movement: Automatic
Condition: Very good 
Gender: Men’s
Time Period: 2009
Box: Yes
Papers: Yes

THE CALIBER

Caliber: 4130
Jewels: 44

THE CASE

Case Material: Stainless steel
Case Diameter: 40 mm
Thickness: 12.5 mm
Waterproof: 100 ft./ 30 m./ 3 ATM
Bezel Material: Fixed stainless steel engraved Cosmograph Tachymeter scale
Glass: Sapphire Crystal
Caseback: Solid
Dial: Black stick dial with silver outer sub-dial rings 
Dial Numerals: 18K white gold applied baton with luminescent coating baton hour indices, minutes, and 1/5 second divisions scale around the outer rim

THE BRACELET / STRAP

Bracelet Material: Stainless steel Oyster
Buckle: Fold-over Fliplock with Easylink 5mm extension system
Buckle Material: Stainless steel

THE FUNCTIONS

Center hour, minute and seconds hands, chronograph (center hand) accurate to within 1/8 of a second, column wheel, chronograph sub-dials counters 60-second at 9 o’clock, 30-minute at 3 o’clock and 12-hour at 6 o’clock, Tachymeter counter on the bezel, 72-hour power reserve.

FURTHER READING

Introduced in 1963 as a sports companion for professional race car drivers, the Daytona comes equipped with a Tachymeter bezel used alongside the sub-dials to calculate speeds of up to 400 kilometers per hour. 
Rolex debuted the reference 116520 in 2000; it was then replaced in 2016 by the reference 116500.

THE CASE

Brushed and polished round-shaped case, inner reflector ring engraved w/ serial number
18K white gold and luminescent baton-shaped hands, white gold applied stick-shaped center sweep seconds hand
18K white gold and luminous insert baton-shaped hours/minute hands, white gold stick-shaped sub-dial hands, white gold arrow-shaped chronograph hand
Stainless steel screw-down solid case back
Stainless steel screw-down chronograph pushers at 2 (start/stop) and 4 o’clock (reset)
Stainless steel triple-sealed waterproof screw-down crown with guard and Rolex logo

THE MOVEMENT

Automatic 4031 movement in-house manufactured
Double quickset, stop-seconds for precise time setting
Self-winding movement, bi-directional winding, Breguet hairspring, Chronometer certificate (COSC), Stone lever escapement, Yoke winding system, Glucydur balance wheel with microstella screws, Kif shock protection for balance wheel and escape wheel
Adjusted to heat and five positions, monometallic balance, shock absorber
This mechanism oscillates at the frequency of 28,800 vph (4 Hz).
Case, dial, and movement are signed.
V serial

THE SET

This certified preowned timepiece is in very good condition and comes with a Rolex presentation box, the Rolex original papers, and is covered by Twain Time 12-month limited warranty.