Rolex Day-Date 40 228238-0005 40mm

The Rolex Day-Date 40 reference m228238-0005 is an icon of unrivaled prestige and masterful horology, a watch that has defined leadership and accomplishment since the Day-Date’s debut in 1956. Entirely crafted in radiant 18 ct yellow gold, this 40mm masterpiece features a captivating champagne-colour dial set with diamonds and a sunray finish, offering a perfect fusion of opulent warmth and technical excellence. Reserved for those who command distinction, it delivers the signature full day spelling and instantaneous date, embodying Rolex’s legacy as the ultimate symbol of success.

Design and Craftsmanship

The Rolex Day Date 40 m228238-0005 exudes timeless luxury through its 40mm Oyster case, constructed with a monobloc middle case, screw-down case back, and winding crown—all in Rolex’s in-house cast 18 ct yellow gold, ensuring exceptional purity and a luminous polish. The signature fluted bezel, meticulously crafted in matching yellow gold, reflects light with its precise ridges, evolving from a functional element to an emblem of refinement.

The champagne-colour dial is a triumph of artistry, featuring a sunray finish with fine brushed grooves radiating outward for dynamic light diffusion and a subtle, ever-changing glow. Enhanced via Physical Vapour Deposition or electroplating and sealed with varnish, it is adorned with 10 baguette-cut diamonds as hour markers for brilliant yet understated sparkle. The day displays in full at 12 o’clock, while the date at 3 o’clock benefits from the iconic Cyclops lens for enhanced readability. Chromalight on the hands provides discreet luminescence, all protected by scratch-resistant sapphire crystal.

Iconic to the Day-Date, the President bracelet in 18 ct yellow gold features elegant semi-circular three-piece links, designed in 1956 for supreme comfort and fluidity. It secures with a concealed folding Crownclasp, delivering seamless sophistication on the wrist.

Exceptional Technical Performance

Powered by the state-of-the-art Calibre 3255—a perpetual mechanical self-winding movement fully developed and manufactured by Rolex—this model achieves Superlative Chronometer precision (-2/+2 seconds per day after casing). Key innovations include a paramagnetic blue Parachrom hairspring for magnetic resistance, high-performance Paraflex shock absorbers, and bidirectional winding via the Perpetual rotor.

It offers instantaneous day and date changes at midnight, secure rapid-setting for both, and stop-seconds for precise time adjustment. With an approximate 70-hour power reserve, it provides extended autonomy. The Twinlock screw-down crown ensures 100 metres (330 feet) water resistance, blending everyday robustness with exquisite elegance.

Watch Specifications

• Model: Rolex Day-Date 40 (m228238-0005)
• Case Size: 40 mm
• Material: 18 ct yellow gold
• Bezel: Fluted, 18 ct yellow gold
• Dial: Champagne-colour sunray with 10 baguette-cut diamonds
• Bracelet: President, semi-circular three-piece links in 18 ct yellow gold
• Movement: Calibre 3255, Manufacture Rolex, self-winding
• Functions: Centre hour, minute, and seconds; instantaneous day and date with rapid-setting
• Power Reserve: Approximately 70 hours
• Water Resistance: 100 metres / 330 feet
• Crystal: Scratch-resistant sapphire with Cyclops lens over the date

Buy Rolex watches from GMTwatches

FAQs

1. What Creates the Dial’s Captivating Sunray Effect?

Fine brushed grooves radiate from the center, diffusing light dynamically, enhanced by the champagne hue and 10 baguette-cut diamond markers for subtle brilliance.

2. How Does the President Bracelet Contribute to Comfort?

Its semi-circular three-piece links, exclusive to the Day-Date since 1956, provide exceptional fluidity and a concealed Crownclasp for seamless, elegant wear.

3. What Advances Does the Calibre 3255 Introduce?

A 70-hour power reserve, Parachrom hairspring for magnetism resistance, Paraflex shock absorbers, and optimized efficiency for superior long-term reliability.

4. Why Is Yellow Gold Chosen for This Model?

Rolex casts its own 18 ct yellow gold in-house for purity and luster, alloyed for durability while delivering the warm, iconic glow synonymous with prestige.

5. How Practical Is This Watch for Regular Use?

With 100-metre water resistance, sapphire crystal, and robust Oyster construction, it combines luxury with everyday resilience for confident wear in any setting.