The Rolex Datejust is renowned for its timeless style and exceptional water resistance. Since its launch in 1945, it has set the standard for self-winding waterproof chronometer wristwatches with its innovative features. Let’s delve into the impressive waterproof technology that makes the Rolex Datejust stand out from the crowd.
Key Takeaways:
- The Rolex Datejust is a classic watch that combines timeless style with exceptional water resistance.
- It was launched in 1945 as the first self-winding waterproof chronometer wristwatch to display the date in a window at 3 o’clock.
- The Datejust has undergone significant innovations in terms of chronometric precision, waterproofness, and self-winding.
- Rolex’s Superlative Chronometer certification guarantees superior performance in terms of precision, power reserve, waterproofness, and self-winding.
- The Datejust’s Oyster case, available in various sizes and materials, ensures robustness and elegance.
Instantaneous Date and Cyclops Lens
The Datejust revolutionized the way the date is displayed on a wristwatch. It introduced a calendar that displayed the date through a window at 3 o’clock, a design that became the industry standard. In 1953, the Cyclops lens was added to the crystal, magnifying the date for easy reading. The date change in the Datejust became instantaneous in 1956. It also introduced rapid and secure setting of the date by turning the winding crown in either direction.
Superlative Chronometer Certified
The Datejust, like all Rolex watches, undergoes the Superlative Chronometer certification process. This certification guarantees that every watch leaving the brand’s workshops has undergone rigorous tests for precision, power reserve, waterproofness, and self-winding. The precision of the movements is tested a second time by Rolex after being cased, ensuring superior accuracy. Rolex’s certification criteria are stricter than those of the official certification.
The Superlative Chronometer status is symbolized by the green seal that accompanies every Rolex watch and is supported by an international five-year guarantee.
The Superlative Chronometer certification of the Rolex Datejust showcases the brand’s commitment to excellence, providing customers with unrivaled quality and precision. With a focus on precision, power reserve, waterproofness, and self-winding, each watch undergoes meticulous testing to ensure its exceptional performance.
Oyster Case, Symbol of Waterproofness and Elegance
The Rolex Datejust’s Oyster case is a testament to the brand’s commitment to precision and durability. Crafted with exceptional attention to detail, the Oyster case combines robustness with elegance, making it a timeless masterpiece in watchmaking.
Available in three diameter options of 31, 36, or 41mm, the Oyster case is engineered to withstand the harshest conditions while maintaining its iconic design. It is guaranteed waterproof to a depth of 100 meters, thanks to its innovative design and rigorous testing.
The middle case of the Datejust is crafted from Oystersteel, a material known for its exceptional resistance to corrosion. For those who prefer a touch of luxury, there are also gold options available in various shades.
The case back of the Datejust is hermetically screwed down with a special tool, allowing only certified Rolex watchmakers to have exclusive access. This ensures the utmost level of protection and guarantees the watch’s water resistance.
The Twinlock winding crown, a patented Rolex innovation, along with the double waterproofness system, provides a secure fit and enhances the watch’s ability to withstand water pressure. This makes the Datejust a reliable companion for water activities.
Another distinguishing feature of the Datejust is its range of bezel variations. From a smooth and polished finish to the classic fluted design, and even diamond-set options, there is a bezel style to suit every taste and preference.
The scratchproof sapphire crystal with a Cyclops lens at 3 o’clock ensures easy reading of the date, while offering excellent protection against scratches and maintaining optimum visibility.
The Oyster case of the Rolex Datejust exemplifies the brand’s dedication to combining impeccable craftsmanship, exceptional waterproofness, and timeless elegance, making it a true masterpiece of horology.
Perpetual Calibres 2236 and 3235
The Datejust models are equipped with self-winding mechanical movements: Calibre 2236 for the Datejust 31 and Calibre 3235 for the Datejust 36 and Datejust 41. These calibres showcase Rolex’s commitment to technological innovation and precision.
Calibre 2236 features the patented Syloxi hairspring, designed to resist the effects of magnetic fields, temperature variations, and shocks. This ensures a reliable and accurate timekeeping experience. The self-winding mechanism of the Perpetual rotor allows the watch to be continuously wound, eliminating the need for manual winding.
Calibre 3235 takes precision to the next level with its patented Chronergy escapement and blue Parachrom hairspring. These innovative technologies enhance the movement’s resistance to magnetic fields and shocks, ensuring optimal performance in any situation.
Both calibres offer exceptional power reserve and reliability, allowing the wearer to enjoy the watch without constant winding. With their antimagnetic features and shock resistance mechanisms, the Datejust models equipped with Calibre 2236 and Calibre 3235 are built to withstand the test of time.
FAQ
What are the waterproof features of Rolex Datejust?
The Rolex Datejust is guaranteed waterproof to a depth of 100 meters. Its Oyster case is crafted with exceptional attention to detail, ensuring water resistance. The case back is hermetically screwed down, and the Twinlock winding crown and double waterproofness system provide a secure fit. The scratchproof sapphire crystal with a Cyclops lens at 3 o’clock ensures easy reading of the date.
How did the Datejust revolutionize wristwatch date display?
The Rolex Datejust introduced a calendar that displayed the date through a window at 3 o’clock, a design that became the industry standard. In 1953, the Cyclops lens was added, magnifying the date for easy reading. The date change in the Datejust became instantaneous in 1956, and rapid and secure date setting was introduced by turning the winding crown in either direction.
What does it mean to be Superlative Chronometer certified?
The Rolex Datejust, like all Rolex watches, undergoes the Superlative Chronometer certification process. This certification guarantees that every watch leaving the brand’s workshops has undergone rigorous tests for precision, power reserve, waterproofness, and self-winding. Rolex’s certification criteria are stricter than those of the official certification. The Superlative Chronometer status is symbolized by the green seal that accompanies every Rolex watch and is supported by an international five-year guarantee.
What makes the Oyster case of the Datejust waterproof and elegant?
The Oyster case of the Rolex Datejust is crafted to ensure water resistance. It is available in various options, with the middle case made from Oystersteel or different shades of gold. The case is guaranteed waterproof to a depth of 100 meters, and the case back is hermetically screwed down. The Twinlock winding crown and double waterproofness system provide a secure fit. The bezel options range from smooth, domed, fluted to diamond-set. The scratchproof sapphire crystal with a Cyclops lens ensures easy reading of the date.
What are the self-winding mechanical movements in the Datejust?
The Datejust models are equipped with self-winding mechanical movements: Calibre 2236 for the Datejust 31 and Calibre 3235 for the Datejust 36 and Datejust 41. These calibres showcase Rolex’s commitment to technological innovation. They offer outstanding precision, power reserve, reliability, and convenience. Calibre 2236 features the patented Syloxi hairspring for resistance to magnetic fields, temperature variations, and shock resistance. Calibre 3235 incorporates the patented Chronergy escapement and the blue Parachrom hairspring for enhanced precision and resistance to magnetic fields and shocks. Both calibres are equipped with the Perpetual rotor for continuous winding and have antimagnetic features and shock resistance mechanisms.
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