The Rolex Day-Date, affectionately known as the "President," is a watch synonymous with power, prestige, and unparalleled craftsmanship. Within the Day-Date lineage sits the highly sought-after reference 18238, particularly the versions boasting a striking onyx dial. This article delves deep into the intricacies of the Rolex Day-Date 18238 with an onyx dial, exploring its technical specifications, historical context, pricing trends, and comparing it to other models within the Day-Date family. We'll also touch upon where you might find one, and the options available to configure your own dream President.
The Heart of the Beast: Caliber 3155
At the heart of every Rolex Day-Date 18238 beats the legendary caliber 3155, a self-winding mechanical movement that exemplifies Rolex's commitment to precision and reliability. This movement boasts a remarkable power reserve of 48 hours, ensuring consistent timekeeping even when the watch is not worn for a considerable period. Its frequency of 28,800 vibrations per hour (4 Hz) contributes to its accuracy and smooth sweep of the seconds hand. The movement itself measures a compact 6mm in thickness, contributing to the overall elegant profile of the watch. Beyond these key specifications, the caliber 3155 incorporates numerous advancements in horological engineering, including a highly efficient escapement and a paramagnetic blue Parachrom hairspring, which is resistant to magnetic fields and temperature variations, further enhancing its precision and longevity. This level of intricate engineering is a testament to Rolex's dedication to creating timepieces of exceptional quality and durability. The meticulous finishing of the movement, visible through the exhibition caseback on some models (though not standard on the 18238), showcases the brand's commitment to both functionality and aesthetics.
The Allure of the Onyx Dial:
The onyx dial on the Rolex Day-Date 18238 elevates the watch to a new level of sophistication. The deep, black surface of the onyx provides a striking contrast to the gold hands and markers, creating a visually arresting and luxurious aesthetic. The intense black of the onyx is not simply a color; it’s a material with a unique depth and subtle variations in tone that capture and reflect light in a mesmerizing way. This deep, dark dial adds a sense of mystery and elegance, making it a perfect choice for those who appreciate understated luxury. Unlike a simple black dial, onyx possesses a natural, organic quality that enhances the overall feeling of opulence and exclusivity. The subtle variations in tone across the dial also contribute to its unique character, ensuring no two onyx dial Day-Dates are exactly alike.
Rolex Day-Date 18238 Production Years:
The Rolex Day-Date 18238 was produced over a significant period, cementing its place as a classic within the Rolex collection. Pinpointing the exact start and end years of production can be challenging due to variations in market availability and internal Rolex records. However, generally, the 18238 was in production from approximately the late 1980s to the early 2000s. This extended production run speaks to the enduring popularity and desirability of the model. Collectors often seek specific serial numbers within this range, reflecting variations in details such as the dial, hands, and crown. Understanding the production year can significantly influence the value of a particular 18238.
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