The year 2013 marked a significant yet subtle shift in the world of haute horlogerie. While many brands unveiled radical redesigns and groundbreaking innovations, Rolex, the paragon of understated elegance and unwavering reliability, chose a different path. Their approach, as exemplified by the Day-Date models released that year – specifically the references 118138 and 118139 – was one of refinement, focusing on subtle enhancements rather than revolutionary changes. This strategy, characteristic of Rolex's philosophy, underscored the brand's commitment to perfecting established excellence rather than chasing fleeting trends. This article will delve into the specifics of the 2013 Rolex Day-Date models, exploring their subtle updates, the enduring legacy of the caliber 3155 movement, and the continued appeal of this iconic timepiece.
The Continuity of Excellence: A Look at the 118138 and 118139
The Rolex Day-Date, often referred to as the "President" watch, has long held a position of unparalleled prestige. Its association with world leaders, influential figures, and discerning collectors has cemented its status as a symbol of power, success, and timeless style. The 2013 iterations, references 118138 and 118139, continued this legacy, building upon the established design language while subtly refining certain aspects.
The most significant aspect of the 2013 Day-Date models was, perhaps surprisingly, what *didn't* change: the movement. Both the 118138 (yellow gold) and the 118139 (platinum) continued to utilize the renowned Rolex caliber 3155. This automatic, self-winding movement, a testament to Rolex's unwavering dedication to in-house manufacturing and precision, had already earned a reputation for its exceptional reliability and accuracy. The decision to retain this movement underscored Rolex's confidence in its performance and its commitment to providing a consistently high level of quality.
The caliber 3155, a marvel of horological engineering, boasts a power reserve of approximately 48 hours. This ensures that the watch continues to function reliably even if it's not worn for a short period. Its chronometer certification, a testament to its precision, guarantees that it meets the stringent standards set by the COSC (Contrôle Officiel Suisse des Chronomètres). This certification involves rigorous testing, ensuring that the movement maintains exceptional accuracy within specific tolerances. The caliber 3155's robust construction and advanced features, including a Parachrom hairspring resistant to magnetic fields and shocks, contribute to its exceptional reliability and longevity.
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