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Rolex Cosmograph Daytona Zenith Watch 16520
The Rolex Cosmograph Daytona 16520 is a milestone model in the illustrious history of the Daytona series, largely due to its use of the Zenith El Primero movement. Introduced in 1988 and produced until 2000, the 16520 is highly regarded by collectors and enthusiasts for its unique blend of Rolex craftsmanship and Zenith engineering. Here?s a detailed description of this iconic timepiece:
General Overview
The Rolex Cosmograph Daytona 16520 marks a significant evolution in the Daytona line, featuring the highly acclaimed Zenith El Primero movement. This model not only elevated the technical prowess of the Daytona but also set new standards in chronograph design and performance.
Case
Material: The case is crafted from 904L stainless steel, known for its superior resistance to corrosion and ability to maintain a polished finish.
Diameter: The case measures 40mm, providing a contemporary and versatile size that balances presence and comfort on the wrist.
Bezel: The bezel is made of stainless steel and is engraved with a tachymetric scale, enabling drivers to measure average speeds over a specific distance.
Crystal: The watch features a scratch-resistant sapphire crystal, ensuring durability and clear visibility of the dial.
Water Resistance: The Oyster case guarantees water resistance up to 100 meters (330 feet), making it suitable for everyday wear and various activities.
Dial
Color Options: The 16520 comes with either a black or white dial, both offering excellent contrast and legibility.
Markers: The hour markers are applied and crafted from 18k white gold, filled with luminescent material to ensure readability in low-light conditions.
Sub-dials: The dial features three sub-dials for the chronograph function: a 30-minute counter at 3 o’clock, a 12-hour counter at 9 o’clock, and a small seconds hand at 6 o’clock. These sub-dials are designed for optimal legibility and aesthetic balance.
Hands: The hands are made from 18k white gold and filled with luminescent material, ensuring both durability and legibility.
Movement
Caliber: The watch is powered by the Rolex Caliber 4030, based on the Zenith El Primero movement. Rolex modified this movement extensively, including reducing the frequency from 36,000 vibrations per hour (vph) to 28,800 vph to improve reliability and extend the power reserve.
Precision: The movement is a certified Swiss chronometer, meeting the high standards of the Swiss Official Chronometer Testing Institute (COSC).
Power Reserve: The Caliber 4030 offers a power reserve of approximately 54 hours, ensuring reliable performance.
Chronograph Function: The movement features a column wheel and a horizontal clutch, providing precise and smooth chronograph operation.
Bracelet
Type: The watch is fitted with the Oyster bracelet, made from 904L stainless steel. This bracelet features flat three-piece links known for their robustness and comfort.
Clasp: It includes an Oysterlock safety clasp, preventing accidental opening, and an Easylink comfort extension link, allowing the wearer to adjust the bracelet length by 5mm for added comfort.
Additional Features
Oyster Perpetual: The term Oyster Perpetual signifies the watch’s waterproof Oyster case and the self-winding Perpetual rotor.
Superlative Chronometer: The Daytona 16520 is not only a certified chronometer but also undergoes additional tests by Rolex after casing to ensure it meets the brand’s stringent criteria for precision and performance.
Conclusion
The Rolex Cosmograph Daytona Zenith Watch 16520 is a landmark timepiece that blends the best of Rolex’s design and Zenith’s technical prowess. Its 40mm stainless steel case, choice of black or white dial, and the legendary Zenith El Primero-based Caliber 4030 movement make it a standout choice for those seeking a high-performance chronograph with historical significance. The robust stainless steel construction and iconic Daytona design ensure this watch is not only a tool for professional drivers but also a statement of refined taste and sophistication. Whether on the racetrack or as a daily accessory, the Daytona 16520 is a testament to Rolex’s enduring legacy of excellence in watchmaking.
