Rolex Cosmograph Daytona 116515LN Overview

Model: 116515LN

Series: Cosmograph Daytona

Year: Circa 2020

Size: 40mm

Material: 18K Everose Gold

Type: Self-Winding Chronograph

**Core Positioning**

This timepiece represents the quintessential fusion within the Rolex Daytona series of:

"Precious Metal + Sport + Rubber Strap"

Simply put:

It is one of the benchmark models for luxury sports chronographs.

**Key Specifications**

**Movement**

Calibre 4130 Self-Winding Movement

Power Reserve: Approx. 72 hours

Column Wheel + Vertical Clutch (A highly sophisticated chronograph mechanism)

**Advantages:** Stable, precise, and low maintenance requirements.

**Case**

40mm Everose Gold

Rolex's proprietary alloy (highly fade-resistant)

Water Resistance: Approx. 100 meters

**Bezel (A Key Highlight)**

Black Cerachrom Ceramic Bezel

Engraved with a Tachymeter scale

**Function:** Speed measurement (Embodying its racing DNA)

**Advantages:** Highly scratch-resistant and virtually impervious to aging.

**Dial**

**Common Colorways:**

Black Dial

Chocolate Dial (The most classic option)

Pink Dial / Diamond Dial (Rare variants)

Features Everose gold indices and luminous hands, offering exceptional legibility and brand recognition.

**Strap (A Standout Feature)**

Oysterflex Rubber Strap

Internally constructed with a metal blade core encased in high-performance elastomer.

**Advantages:**

Lighter than a metal bracelet

More durable than a leather strap

Offers a comfortable and ergonomic fit on the wrist.

⏱ **Functions**

Chronograph Seconds Hand (Central)

30-Minute Counter (at the 3 o'clock position)

12-Hour Counter (at the 9 o'clock position)

Small Seconds Sub-dial (at the 6 o'clock position)