The Rolex Day-Date, often referred to as the “President’s Watch,” has remained an enduring symbol of prestige, luxury, and horological excellence since its inception in 1956. The Day-Date 36 reference 118238 carries forward this legacy, epitomising sophistication and refinement.
Design and Aesthetics
Crafted from 18-carat yellow gold, the 36mm case of the Day-Date 118238 exudes understated elegance. Its classic design, featuring a fluted bezel and the iconic President bracelet, showcases Rolex’s commitment to timeless aesthetics and impeccable craftsmanship.
The champagne-coloured dial, adorned with luminous baton hour markers and the signature day and date windows at 12 o’clock, offers a harmonious blend of practicality and elegance. The day aperture spells out the full day of the week in a window adjacent to the date display, emphasising the watch’s functionality.
Bracelet and Comfort
The iconic President bracelet, characterised by its semi-circular three-piece links, not only adds to the watch’s elegance but also ensures a comfortable and secure fit on the wrist. Crafted in 18-carat yellow gold, the bracelet complements the overall aesthetics of the Day-Date 118238.
Craftsmanship and Attention to Detail
Rolex’s unwavering commitment to excellence is evident in every aspect of the Day-Date 118238. From the flawless finishing of the case and bracelet to the precision of the movement, each element reflects Rolex’s dedication to perfection and precision.
Rolex Caliber 3155 Movement
The Rolex Caliber 3155 is a self-winding mechanical movement known for its precision, reliability, and robustness. Developed and manufactured entirely in-house by Rolex, the Caliber 3155 serves as the powerhouse for the Day-Date models, including the Day-Date 36 reference 118238.
Precision and Accuracy
The Caliber 3155 operates at a frequency of 28,800 beats per hour (4 Hz), enabling a smooth and precise sweeping motion of the seconds hand. This high frequency contributes to the watch’s exceptional accuracy, ensuring reliable timekeeping and meeting the stringent COSC standards for chronometric performance.
Parachrom Hairspring
One of the notable features of the Caliber 3155 is the inclusion of Rolex’s proprietary Parachrom hairspring. Made from a unique paramagnetic alloy, the Parachrom hairspring offers increased resistance to shocks and magnetic fields. This antimagnetic characteristic ensures that the movement maintains its precision even when exposed to various environmental conditions.
Bidirectional Self-Winding System
Equipped with a bidirectional self-winding rotor, the Caliber 3155 efficiently harnesses the wearer’s wrist movements to power the watch. This system ensures an optimal energy transfer to the mainspring, contributing to the movement’s reliability and efficiency.
Instantaneous Date and Day Change
The Caliber 3155 features an instantaneous date and day change mechanism. At midnight, the day and date transition precisely and simultaneously without any lag or delay, a testament to the movement’s engineering excellence and precision.
Microstella Regulating System
The movement incorporates Rolex’s Microstella regulating system, allowing for precise adjustments to the balance wheel’s inertia by modifying the screws on the balance wheel. This feature enables fine-tuning of the movement’s accuracy without compromising its stability.
Reliability and Longevity
Rolex movements, including the Caliber 3155, are known for their reliability and durability. Engineered for longevity, the movement undergoes rigorous testing and stringent quality control measures to ensure optimal performance and longevity.
Conclusion: Engineering Mastery
The Rolex Caliber 3155 serves as a testament to Rolex’s mastery in watchmaking. Its precision engineering, antimagnetic properties, and exceptional performance contribute significantly to the overall excellence of the Day-Date models, enhancing their reputation as symbols of luxury, precision, and prestige.
Final Verdict
With the integration of the Caliber 3155, the Rolex Day-Date 36 reference 118238 not only showcases exquisite aesthetics but also houses a movement engineered to excel in accuracy, reliability, and durability. Rolex’s commitment to technical innovation and precision is evident through this exceptional movement, making it a cornerstone of the Day-Date’s legacy.
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