Datejust 31 Silver Diamond Dial Smooth Bezel Steel 18KT Yellow Gold Oyster M278243-0019
The Rolex Datejust 31 Reference M278243-0019 is a stunning blend of understated elegance and subtle luxury. This model features a bright Silver Dial set with diamonds, a sleek Smooth Bezel, and the robust Oyster bracelet, all presented in the classic Rolesor Yellow Gold design (Oystersteel and 18K Yellow Gold).
The watch features a robust monobloc middle case in durable Oystersteel (Stainless Steel), ensuring reliability and strength. The case is water-resistant to 100 metres (330 feet), secured by the screw-down Twinlock winding crown.
The case is framed by a highly polished Smooth, Domed Bezel, which is crafted from solid 18K Yellow Gold. The smooth gold bezel in the Rolesor configuration offers a clean, contemporary line that provides a warm and luxurious contrast to the steel case sides.
Key Features
| Case | |
| Material | Oystersteel and 18K Yellow Gold (Rolesor Yellow Gold) |
| Dimensions | 31 mm (Modern mid-size) |
| Water Resistance | 100 metres (330 feet) |
| Bezel | Smooth/Domed (18K Yellow Gold, polished finish) |
| Crystal | Scratch-resistant Sapphire with Cyclops lens |
| Reference | 278243 (Specific dial code: 0019) |
| Dial | |
| Color | Silver (Bright, neutral Sunray finish) |
| Markers | 10 Diamond Hour Markers (Set in 18K Yellow Gold) |
| Aesthetic | Understated luxury with diamond sparkle and the sporty Oyster bracelet |
| Movement | |
| Type | Perpetual, mechanical, self-winding |
| Power Reserve | Approx. 55 hours |
| Caliber | Calibre 2236 (Featuring Syloxi hairspring) |
| Technology | Superlative Chronometer |
| Bracelet/Strap | |
| Material | Oyster (three-piece links) in Rolesor Yellow Gold (Steel & Yellow Gold) |
| Clasp | Folding Oysterclasp with Easylink 5mm extension |
| Additional Info | |
| Watch Style | Rolesor Yellow Gold Luxury Dress Watch |
| Construction | Steel Case/Outer Links with 18K Yellow Gold Smooth Bezel/Center Links |
| Key Features | Diamond-Set Silver Dial, Smooth Yellow Gold Bezel, Calibre 2236 |
| Note | The ‘243’ suffix indicates a Rolesor Yellow Gold smooth bezel (31mm size). |
The timepiece is fitted with the robust, three-piece link Oyster bracelet, known for its strength and sportier appearance. Crafted in a two-tone Rolesor Yellow Gold style, the outer links are in satin-finished Oystersteel while the center links are in polished 18K Yellow Gold. The bracelet fastens securely with the folding Oysterclasp, which includes the Easylink 5 mm comfort extension link.
The centerpiece is the bright Silver Diamond Dial . This classic, clean silver hue is typically executed with a sunray finish that reflects light beautifully, providing a neutral and elegant backdrop for the diamond markers.
The hours are marked by 10 brilliant-cut Diamond Hour Markers (with the Rolex Crown at 12 o’clock and a date window at 3 o’clock), meticulously set in 18K Yellow Gold surrounds. These diamonds introduce a high level of subtle luxury. The date is displayed at 3 o’clock, magnifying beneath the Cyclops lens.
Under the dial lies the robust and precise Calibre 2236 movement. This self-winding mechanical movement incorporates the patented Syloxi hairspring, providing exceptional performance, accuracy, and reliability, and is certified as a Superlative Chronometer, completing this distinguished timepiece.








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