Rolex Cosmograph Daytona 40 mm Ref#116508‑0013

🔹 Overview
The Rolex Cosmograph Daytona 40 mm Ref. 116508‑0013—famously dubbed the “John Mayer” Daytona—is a bold fusion of luxury and motorsport heritage. Crafted entirely in 18 kt yellow gold, it features a mesmerizing green sunburst dial that shifts in hue depending on lighting. This distinctive color, combined with sporty chronograph functionality, gives the Daytona a unique personality that stands apart from traditional precious-metal models. Launched in 2016, this variant initially flew under the radar until celebrated collector John Mayer spotlighted it, igniting broad admiration and demand.

💎 Key Specifications

• Origin: Switzerland — part of the legendary Oyster Perpetual Cosmograph Daytona lineage

• Gender: Men’s / Unisex

• Case Diameter: 40 mm Oyster case in polished 18 kt yellow gold

• Case Material: Solid 18 kt yellow gold, including screw-down back and pushers with Triplock waterproofness system

• Bezel: Fixed tachymetric bezel in yellow gold, engraved to measure speeds up to 400 units/hour

• Dial: Green sunburst dial with subtle golden reflections; high-contrast sub-dials and red accents add depth and sportiness

• Hour Markers: Applied 18 kt yellow gold indices with Chromalight lume for readability in low light

• Bracelet: Solid yellow gold Oyster bracelet (three-piece links) with polished and brushed finishes; features Oysterlock clasp and 5 mm Easylink comfort extension

• Glass: Scratch-resistant sapphire crystal covering the dial and sub-dialsWater Resistance: 100 m / 330 ft, thanks to Triplock crown and robust case sealing

⏱️ Movement

• Type: Perpetual, mechanical, self‑winding chronograph movement entirely manufactured by Rolex

• Caliber: Rolex Calibre 4130, renowned for its streamlined design, vertical clutch system, and reliability

• Superlative Chronometer: Certified to –2/+2 sec/day after casing, exceeding standard COSC precision

• Power Reserve: Approximately 72 hours, allowing the watch to remain accurate over a weekend off-wrist

• Frequency: 28,800 vph (4 Hz)

• Jewels / Hairspring / Shock Absorption: Fifty-plus jewels; optimized Chronergy escapement; Parachrom hairspring; Paraflex shock absorbers

• Functions:

  • Central chronograph seconds hand

  • 30‑minute counter at 3 o’clock

  • 12‑hour counter at 9 o’clock

  • Small seconds at 6 o’clock

  • Tachymetric bezel for speed measurement

✅ Highlight Summary
The Rolex Cosmograph Daytona Ref. 116508‑0013 masterfully combines performance and prestige. Its fully yellow-gold construction radiates luxury, while the vibrant green dial introduces an unexpected, modern twist to the classic Daytona aesthetic. The contrasting tones, subtle red highlights, and Chromalight lume enhance both functionality and appeal. Housing the advanced Calibre 4130, this Daytona offers cutting-edge chronograph precision, a 72-hour reserve, and everyday resilience. Endorsed by collectors, musicians, and athletes alike, it’s far more than a chronograph—it’s a statement of bold individuality, mechanical excellence, and collectible value.