Cosmograph Daytona M116508-0016 40 mm

A note: The small dial in the watch is only for decoration.

Reference 116508
Model Cases
Oyster, 40 mm, yellow gold
Oyster Architecture
Monobloc middle case, screw back case, crown
diameter
40 mm
material
18 ct yellow gold
Bezel
Fixed, engraved tachymeter, 18 ct yellow gold
Crown
Screw type, triplock (triple sealed structure)
crystal
Anti-scratch sapphire
Waterproof
100m / 330ft Water Resistance
Movement
Perpetual, mechanical chronograph, automatic
Calibre
4130, manufactured entirely in-house by Rolex
precision
Day difference – 2~+2 seconds (after casing)
function
Hour, minute, and second hands in the center, with small seconds (at 6 o’clock). Chronograph and totalizer measuring up to 1/8 second (30 minutes at 3 o’clock and 12 hours at 9 o’clock). Accurate time setting with second hand stop function
Transducer
Paramagnetic Blue Parachrom Hairspring
Winding
Bidirectional automatic winding with Perpetual rotor
Power reserve
Approx. 72 hours
bracelet
Oyster (3-row link)
Bracelet Material
18 ct yellow gold
clasp
Oyster lock with safety catch, easy link (approx. 5 mm extension link)
dial
Black with diamonds
Gem Settings
Diamonds set in 18 ct gold
detail
Snail-shaped small counter on the dial
authorization
High precision chronometer (COSC, Rolex certified after casing)