Lady-Datejust 279138rbr-0021

The Rolex Lady-Datejust 279138rbr-0021 features a durable 18 ct Yellow Gold case, scratch-resistant sapphire crystal with Cyclops lens, and a luxurious design. The Champagne Dial with Roman Numerals hour markers offers excellent readability. The Yellow Gold Gem-Set Bezel adds elegance, while the Calibre 2236 movement provides a 55-hour power reserve.

Rolex Lady-Datejust 279138rbr-0021 In-Depth Review: Champagne Dial with Roman Numerals Hour Markers and Gem-Set Bezel

The Rolex Lady-Datejust 279138rbr-0021 reflects the brand's dedication to excellence through its 18 ct yellow gold Oyster case, part of Rolex's pioneering 1926 design, the first waterproof wristwatch case. This innovative case features a bezel, case back, and crown that protects the inner mechanisms, while the lugs connect the bracelet and watch with elegant polished or satin finishes. Rolex creates its 18 ct yellow gold at its Plan-Les-Ouates foundry in Geneva, ensuring the highest purity and homogeneity by blending 24 ct gold with silver and copper for superior durability. Each gold alloy undergoes meticulous inspection and shaping, ensuring it meets Rolex's exacting standards. The Cyclops lens, introduced in 1953, magnifies the date at 3 o'clock on the scratch-resistant sapphire crystal. It enhances readability with its anti-reflective coating, further exemplifying Rolex's unwavering commitment to quality and precision at every production stage.

Rolex introduced the President bracelet in 1956 with the Day-Date, crafting it exclusively from 18 ct yellow gold to embody timeless beauty and perfect symmetry. The Rolex President bracelet features semi-circular three-piece links with a polished and satin finish, which reflects Rolex's dedication to continuous innovation. 2015 Rolex enhanced the bracelet's durability and comfort by incorporating ceramic inserts. Rolex ensures exceptional purity and homogeneity by crafting its 18 ct yellow gold at its Geneva foundry, where 24 ct gold is blended with silver and copper for optimal resistance. This meticulous process results in a distinct, high-quality alloy that exemplifies Rolex's commitment to unparalleled.

The Oysterclasp, protected by a folding cover, opens effortlessly with a single motion, combining secure closure with easy opening for daily use. It delivers a unique, reassuring feel with a slight resistance followed by a sharp, confident click, symbolising its reliability. The subtle extension provided by Easylink transforms a well-fitted bracelet into a perfectly fitted one, showcasing Rolex's relentless pursuit of wearable perfection through even the most minor adjustments, ensuring continued comfort in everyday life.

The Rolex Champagne-colour Dial showcases a sunray finish that creates delicate light reflections, characteristic of many dials in the Oyster Perpetual collection. Rolex employs expert brushing techniques to create grooves radiating outward from the dial's centre, allowing light to diffuse evenly along each engraving and produce a subtle glow that shifts with the wrist's movement. After completing the sunray finish, Rolex applies the champagne colour using Physical Vapour Deposition or electroplating, then finishes the dial with a light coat of varnish to enhance its elegant, refined look.

Roman numerals are a popular choice for hour markers, and they are known for their elegance and classic appeal. Often featured on formal and luxury watches, they bring a touch of sophistication and tradition, making them a favoured option for high-end mechanical timepieces.

Rolex's Yellow Gold Gem-Set Bezel highlights expert craftsmanship, where gem-setters precisely carve the metal to place and align each gemstone securely. The beauty of Rolex's gem-setting comes from the perfect alignment, positioning, and refined metalwork. Rolex produces 18 ct yellow gold in its Geneva foundry, blending 24 ct gold with silver and copper for exceptional purity and durability. This unique gold, crafted from casting to shaping, reflects Rolex's commitment to quality and excellence.

Rolex equips the Lady-Datejust 279138rbr-0021 with the Calibre 2236, a self-winding mechanical movement known for its precision and durability. It has a 55-hour power reserve and uses the Chronergy escapement, which improves efficiency and resists magnetic interference. It includes a blue Parachrom hairspring for stability against shocks and temperature changes and Paraflex shock absorbers for extra durability. The Calibre 2236 highlights Rolex's dedication to high performance and reliability.

What's so special about Rolex Lady-Datejust 279138rbr-0021?

• The Champagne Dial
• The Yellow Gold Diamond-Set Bezel
• The Rolex Calibre 2236

The Champagne Dial

The Rolex Champagne-colour Dial showcases a sunray finish that creates delicate light reflections, characteristic of many dials in the Oyster Perpetual collection. Rolex employs expert brushing techniques to create grooves radiating outward from the dial's centre, allowing light to diffuse evenly along each engraving and produce a subtle glow that shifts with the wrist's movement. After completing the sunray finish, Rolex applies the champagne colour using Physical Vapour Deposition or electroplating, then finishes the dial with a light coat of varnish to enhance its elegant, refined look.

Roman numerals are a popular choice for hour markers, and they are known for their elegance and classic appeal. Often featured on formal and luxury watches, they bring a touch of sophistication and tradition, making them a favoured option for high-end mechanical timepieces.

The Yellow Gold Diamond-Set Bezel

Rolex's Yellow Gold Gem-Set Bezel highlights expert craftsmanship, where gem-setters precisely carve the metal to place and align each gemstone securely. The beauty of Rolex's gem-setting comes from the perfect alignment, positioning, and refined metalwork. Rolex produces 18 ct yellow gold in its Geneva foundry, blending 24 ct gold with silver and copper for exceptional purity and durability. This unique gold, crafted from casting to shaping, reflects Rolex's commitment to quality and excellence.

The Rolex Calibre 2236

The Rolex Calibre 2236 movement is a cutting-edge, self-winding mechanical movement that exemplifies Rolex's commitment to innovation and precision. This movement, developed entirely in-house, boasts a 55-hour power reserve, allowing it to maintain accuracy over extended periods without needing to be wound.

One of its standout features is the patented Chronergy escapement, crafted from a nickel-phosphorus alloy that makes it resistant to magnetic interference. This innovative design improves the movement's efficiency by 15%, contributing to its impressive accuracy of -2/+2 seconds per day, surpassing COSC chronometer standards.

Additionally, the calibre 2236 is fitted with Rolex's blue Parachrom hairspring, which is highly shock-resistant and unaffected by temperature variations, ensuring stable performance in all conditions. The movement is also equipped with Paraflex shock absorbers for enhanced durability, making it exceptionally robust and reliable. With these advancements, the calibre 2236 sets a high performance, precision, and resilience standard.

Why Should You Choose Watch Unify for a Rolex Lady-Datejust 279138rbr-0021 Watch Repair?

• Watch Unify uses authentic Rolex parts.
• The watchmakers at Watch Unify have been trained in some of the most prestigious watchmaking houses in the world, including Piaget, Rolex, and Zenith.
• Watch Unify operates independently in Penang, Malaysia, and caters to the specific needs of its local and foreign clients.

5 Steps to a Complete Service for the Rolex Lady-Datejust 279138rbr-0021

1. Inspection and Disassembly: Conduct an external inspection and identify any damaged components. Remove the bracelet or strap and disassemble the watch head into the crystal, bezel, middle case, crown, movement, and case back.
2. Movement Cleaning and Component Replacement: Disassemble the movement and clean each part (except the dial and hands) in an ultrasonic bath, then dry in a specialised dryer. Inspect all components for wear and replace worn parts with authentic Rolex components.
3. Movement Reassembly and Adjustment: Reassemble the movement, lubricate contact points, adjust the rate, and test its functions for precision.
4. External Cleaning and Testing: Clean the crystal, bezel, case, crown, and bracelet using ultrasonic baths and specialised solutions, followed by drying. Reassemble the watch head, perform water resistance testing, and test accuracy over 48 hours.
5. Final Assembly and Inspection: Reattach the bracelet or strap, replace spring bars if needed, and check clasp adjustments. Perform a final external and functional inspection to ensure the watch meets Rolex standards.

Want to know more about how we care for your Rolex Lady-Datejust 279138rbr-0021 timepiece? Visit our detailed service page here.

Watch Unify Service Warranty

Upon completion of a complete service, Watch Unify provides a warranty against mechanical defects and guarantees for a period of 12 months.

• Watch accuracy within +/- 30 seconds per day.
• Water-resistance according to model specifications.

Watch Unify Service Centre

113, 1st Floor, Penang Plaza, 126 Burma Road, Georgetown, 10050 Penang, Malaysia.

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Disclaimer

Watch Unify is not affiliated with or an authorised agent for manufacturers whose timepieces are featured here.