The phrase "Rolex Video Polso" isn't a formally recognized model name within the Rolex lexicon. It's likely a colloquialism, perhaps used in Italian-speaking regions, referencing a Rolex wristwatch showcased in a video. However, the description provided – "the first automatic waterproof wristwatch with an instantly changing date at midnight" – points directly to a pivotal moment in Rolex history: the introduction of the Datejust and its subsequent evolution. While no single "Rolex Video Polso" exists, this article will explore the lineage of Rolex watches that embody this description, drawing heavily on the spirit of the phrase and using readily available resources like Rolex YouTube channels and related content focusing on models like the Rolex Deepsea, to understand the technological advancements that led to this landmark achievement. We'll examine the crucial elements of automatic winding, waterproofness, and the instant date-change mechanism, highlighting their impact on the watchmaking world and Rolex's enduring legacy.
The Genesis of the Automatic Waterproof Wristwatch with Instant Date Change:
Before delving into specific models, it's essential to understand the context surrounding the creation of a watch fulfilling the criteria suggested by "Rolex Video Polso." The early 20th century saw significant advancements in watchmaking. While wristwatches were gaining popularity, they were often fragile, lacking the robustness of their pocket watch counterparts. Water resistance was rudimentary at best, and automatic winding mechanisms, while conceptually known, weren't consistently reliable. The instant date-change mechanism was another significant challenge, requiring intricate engineering to achieve smooth and accurate transitions at midnight.
Rolex, with its relentless pursuit of precision and durability, played a crucial role in overcoming these challenges. The brand's philosophy of "perpetual motion" – embodied in their perpetual watches – fueled innovation in automatic winding. The Oyster case, introduced in 1926, revolutionized waterproofing. This hermetically sealed case, with its screw-down crown and back, provided unprecedented protection against the elements, making wristwatches truly practical for everyday wear.
The development of the automatic movement was a complex undertaking. Early automatic systems relied on relatively inefficient rotor designs. Rolex engineers meticulously refined these systems, increasing efficiency and reliability. The introduction of the Perpetual rotor, a key element in many Rolex perpetual watches, significantly improved the winding mechanism's performance, ensuring a consistent power reserve even with less wrist movement.
The instant date change, too, was a feat of engineering. The mechanism required precise synchronization with the hour wheel, ensuring a clean and instantaneous shift at midnight. This wasn't merely a cosmetic feature; it represented a substantial leap forward in horological precision.
Rolex and YouTube: A Visual Exploration of the Lineage:
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