The Rolex Oyster Perpetual Day-Date, often referred to as the "President" due to its association with heads of state and influential figures, holds a prestigious position within the world of luxury watches. While the reference number 15-37-56 isn't explicitly used by Rolex in their modern catalog, this article will explore the historical context of this reference number (assuming it's a potential misinterpretation or a reference to a specific era's internal designation), delve into the evolution of the Day-Date, and examine its various iterations, including the models mentioned: the Day-Date 40 (228238, 228239), and the Day-Date 36, providing insights into their current market prices and what makes them coveted timepieces. The phrase "arc de cercle affichant la date," referencing the date display, underscores a key feature that distinguishes the Day-Date within the Rolex family.
The Day-Date's iconic status is built upon several pillars: its unparalleled craftsmanship, its use of precious metals, and its sophisticated complications. The "arc de cercle affichant la date" – the elegantly arched date window – is a subtle yet significant design element that contributes to the watch's refined aesthetic. This, coupled with the full day spelling in a separate window, sets it apart from other Rolex models and cements its position as a highly distinguished timepiece.
Understanding the Historical Context (and potential misinterpretation of 15-37-56):
Reference numbers like "15-37-56" may represent internal codes used by Rolex during specific production periods or may be inaccurate representations. Rolex's cataloging system is complex and often not publicly accessible in its entirety. It's highly likely that this number isn't a publicly recognized reference number for a specific Day-Date model. However, understanding the historical context of the Day-Date is crucial to appreciating its current iterations.
The Day-Date was first introduced in 1956, marking a significant milestone in horological history. It was the first wristwatch to display both the day and the date in separate apertures, a complication that required significant advancements in watchmaking technology. Early models featured simpler designs, often with less ornamentation than their modern counterparts. Over the decades, the Day-Date has undergone several design evolutions, with changes in case size, dial designs, bracelet styles, and the introduction of new materials. This evolution reflects changing tastes and the ongoing pursuit of horological excellence by Rolex.
Exploring the Modern Day-Date Lineup:
Today, the Rolex Day-Date is primarily available in two case sizes: 36mm and 40mm. Let's examine some of the models mentioned:
Rolex Day-Date 40 (228238 & 228239):
The Day-Date 40 represents the larger and more contemporary iteration of the President. The reference 228238 is typically crafted from 18ct yellow gold, while the 228239 is made from 18ct Everose gold, Rolex's proprietary pink gold alloy. Both models are characterized by their robust presence on the wrist and their sophisticated dials, which can feature various finishes, including sunburst, tapestry, and diamond-set options. The President bracelet, with its semi-circular three-piece links, is a defining feature of these watches.
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