The Evolution of a Legend
Since its introduction in 1945, the Datejust has served as the pillar of the Rolex collection, being the first self-winding chronometer wristwatch to display the date in a window on the dial. The reference 126234 preserves the mid-size 36mm proportions that have made it a favorite for generations, while incorporating a refined case architecture with slender lugs that sit gracefully on any wrist.
White Rolesor: A Study in Light
The 126234 is defined by its White Rolesor construction. While the case and bracelet are forged from high-performance Oystersteel, the fluted bezel is crafted from solid 18k white gold. This iconic bezel is not only a mark of distinction but also serves to catch and reflect light with every movement of the arm. The dial is protected by a scratch-resistant sapphire crystal featuring the Cyclops lens, which magnifies the date two and a half times for instantaneous legibility.
Precision Redefined: Calibre 3235
Beneath the dial lies the Calibre 3235, a self-winding mechanical movement that represents the forefront of Rolex technology. It features the patented Chronergy escapement, made of nickel-phosphorus, which is highly energy-efficient and resistant to magnetic interference. The movement is also equipped with the Blue Parachrom hairspring, providing superior stability against temperature fluctuations and shocks. As a Superlative Chronometer, it is tested to a precision of −2/+2 seconds per day, ensuring world-class reliability.
The Jubilee and Oyster Bracelets
The Datejust 36 is available on the legendary five-piece link Jubilee bracelet, originally created for the model’s debut, or the robust three-link Oyster bracelet. Both options are equipped with the Oysterclasp and the Easylink comfort extension, allowing the wearer to increase the bracelet length by approximately 5mm without tools. This ensures a personalized fit that adapts to the wearer’s environment and comfort needs throughout the day.
Technical Specifications
| Feature | Detail |
| Case Diameter | 36 mm |
| Material | White Rolesor (Oystersteel and 18k White Gold) |
| Bezel | Fluted 18k White Gold |
| Movement | Perpetual, mechanical, self-winding Calibre 3235 |
| Power Reserve | Approximately 70 hours |
| Water Resistance | 100 meters / 330 feet |
| Precision | −2/+2 sec/day, after casing |







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