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2020 Rolex Submariner 41mm 126619LB Review

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The 2020 Rolex Submariner 41mm 126619LB is a highly sought-after watch that has caught the attention of watch enthusiasts. This model is the successor to the famous “Smurf” and features a blue Cerachrom bezel and a black lacquer dial. The watch is encased in 41mm of 18k white gold and comes with an 18k white gold Oyster bracelet. It offers hours, minutes, seconds, and date functions, and measures 12.3mm in thickness and 48.2mm from lug to lug. For a complete review and more details, you can watch the full Rolex Submariner review by Tim Mosso. Visit for the latest pre-owned luxury watch arrivals and industry-leading value in previously loved luxury timepieces.

Hi, I’m Tim, and welcome to Watch Box! If you’re interested in purchasing the 2020 Rolex Submariner 41mm 126619LB or any other watch you see on our platform, simply reach out to our team for pricing and availability. This white gold Rolex Submariner is a stunning timepiece that combines a blue Cerachrom bezel, black lacquer dial, and a new 41mm grey gold case. It offers a comfortable fit, measuring 48.2mm lug to lug and 12.3mm in thickness. The watch comes with a polished Oyster bracelet, featuring solid links that can be adjusted using the glide lock system. It’s a versatile and stylish watch that will surely make a statement on your wrist.

Design and Materials

Case and Bracelet

The Rolex Submariner is renowned for its iconic design, featuring a robust case and bracelet that are built to withstand the test of time. The case is crafted from a solid block of stainless steel, ensuring durability and resistance to corrosion. Its classic shape, with its distinctive rounded edges and combination of polished and satin finishes, exudes an understated elegance. The bracelet, known as the Oyster bracelet, is also made from stainless steel, providing a comfortable and secure fit on the wrist.


The Submariner boasts a unidirectional rotatable bezel, which serves both a functional and aesthetic purpose. Made from scratch-resistant ceramic, the bezel not only adds to the watch’s sleek appearance but also ensures precise timing while diving. The graduation markings and numerals on the bezel are engraved and coated with platinum, guaranteeing excellent legibility even in the darkest depths.


The dial of the Rolex Submariner is a masterpiece in itself. Available in a deep black lacquer finish, it offers a striking contrast against the luminous white gold indices and hands. The hour markers and hands are generously coated with Chromalight, a luminescent material developed by Rolex, ensuring optimal legibility in any lighting conditions. The date window, located at the 3 o’clock position, features a magnifying lens known as the Cyclops, making it easy to read the date at a glance.

Size and Fit


With a case diameter of 41mm, the Rolex Submariner strikes the perfect balance between a classic and contemporary size. The case thickness of approximately 12.5mm adds to its sleek and substantial presence on the wrist. The lugs, which connect the case to the bracelet, have a length of 20mm and provide a seamless transition for a comfortable fit.

Wrist Compatibility

Despite its larger dimensions, the Rolex Submariner is designed to fit a variety of wrist sizes. The sturdy Oyster bracelet features an adjustable Glidelock clasp, allowing for easy adjustments to achieve the desired fit. Additionally, the smooth and ergonomic design of the case and bracelet ensures that the watch sits comfortably on the wrist, no matter the size or shape.

Bracelet and Clasp

Oyster Bracelet

The Oyster bracelet, synonymous with Rolex, is a true testament to the brand’s commitment to quality and comfort. Crafted from solid stainless steel, it features flat three-piece links that offer both durability and flexibility. The center links are polished to a high sheen, while the outer links can have a combination of satin and polished finishes, adding to the bracelet’s refined aesthetic.

Clasp Features

The Submariner is equipped with a folding Oysterlock safety clasp, which provides an additional layer of security. It includes a Rolex Glidelock extension system, allowing for micro-adjustments to the bracelet length without the need for tools. This feature is particularly useful for divers who may wear the watch over a wetsuit, ensuring a comfortable and secure fit in any condition.

2020 Rolex Submariner 41mm 126619LB Review

Grey Gold


Rolex introduced grey gold as a new addition to its precious metals lineup. Grey gold, also known as white gold with a rhodium plating, offers a unique and sophisticated look. It is made by combining traditional yellow gold with other elements such as silver, palladium, and copper. The resulting alloy has a distinct grayish hue that sets it apart from conventional white gold.

Difference from Conventional White Gold

While white gold is often coated with rhodium to achieve a bright white appearance, grey gold eliminates the need for plating. This allows the grey gold to maintain its unique color even after prolonged wear, without the need for regular re-plating. The subtle gray tones of grey gold add a touch of elegance and versatility to the Rolex Submariner, making it a perfect choice for those seeking a contemporary twist on a classic design.

Crown and Case

Triplock Crown

The Rolex Submariner features a Triplock winding crown, which provides exceptional water resistance. With three separate gaskets, the Triplock crown screws down tightly onto the case, creating a hermetic seal that protects the watch’s movement from water intrusion. The Triplock system ensures that the crown remains securely in place, even in the most extreme underwater conditions, guaranteeing the watch’s reliability in any environment.

Super Case Profile

The case of the Submariner boasts a Super Case profile, which enhances its robustness and visual impact. The lugs and crown guards are slightly enlarged, giving the watch a more muscular and masculine appearance. The combination of the Super Case and Triplock crown not only reinforces the watch’s water resistance but also adds to its overall aesthetic appeal.


Knurled Bezel

One of the most distinctive features of the Rolex Submariner is its knurled bezel. The knurling, a pattern of regularly spaced ridges, provides a practical grip for easy operation of the bezel. This ensures smooth and precise rotation, allowing divers to accurately measure elapsed time during their underwater adventures. The knurled bezel also adds a touch of visual interest to the watch, further accentuating its sporty and rugged character.

120-click Functionality

The Submariner’s bezel operates on a 120-click system, which means that each click corresponds to a half-minute increment. This functionality is vital for divers, as it enables them to align the bezel with the minute hand to track their dive time. The feedback provided by each click ensures accuracy and reliability, giving divers the confidence they need to safely navigate the depths.


Black Lacquer Dial

The Rolex Submariner’s black lacquer dial is a true testament to Rolex’s commitment to perfection and attention to detail. The lacquer dial undergoes a meticulous and time-consuming process to achieve its deep, rich black color. This intensive process ensures that each dial is flawless and consistent, highlighting Rolex’s unwavering dedication to quality.

White Gold Indices and Hands

Contrasting against the black lacquer dial, the white gold indices and hands of the Submariner offer excellent legibility and a touch of luxury. Made from solid white gold, these elements are highly resistant to tarnishing and fading. Their luminescent properties, further enhanced by Rolex’s Chromalight coating, ensure that the time is easily readable, even in low-light conditions.

Water Resistance

300 Meter Diver

The Rolex Submariner is built for the depths, with a water resistance rating of up to 300 meters (1,000 feet). This exceptional water resistance allows the watch to withstand the pressures experienced during professional diving activities. Whether you’re scuba diving or exploring the ocean’s depths, the Submariner is engineered to keep pace with your underwater adventures.


To ensure its exceptional water resistance and performance, the Rolex Submariner undergoes rigorous testing and certification. Each watch is tested in-house by Rolex, in accordance with their stringent standards. Additionally, the Submariner is backed by Rolex’s Superlative Chronometer certification, guaranteeing its precision and accuracy in various conditions.


Caliber 3230

Powering the Rolex Submariner is the Caliber 3230, a self-winding mechanical movement developed and manufactured in-house by Rolex. This innovative movement features a Paramagnetic blue Parachrom hairspring, which provides increased resistance to magnetic fields and temperature variations, ensuring exceptional timekeeping accuracy.

Features and Performance

Equipped with a bi-directional automatic winding rotor and a variable inertia balance wheel, the Caliber 3230 offers a power reserve of approximately 70 hours. The movement also incorporates Rolex’s patented Chronergy escapement, which enhances efficiency and precision. With its robust construction and advanced features, the Caliber 3230 sets a new benchmark for reliability and performance in the Rolex Submariner.


In conclusion, the Rolex Submariner is a timeless masterpiece that combines exceptional design, premium materials, and innovative engineering. From its durable case and bracelet to its exquisite dial and reliable movement, every aspect of the Submariner has been meticulously crafted to meet the demanding needs of divers and watch enthusiasts alike. Whether you’re exploring the depths of the ocean or attending a formal event, the Rolex Submariner is the ultimate companion, exuding style, functionality, and unyielding excellence.

I'm, your trusted guide to the captivating world of horology. At Mt. Watches, I am dedicated to providing you with a wealth of knowledge and resources when it comes to timepieces. Regardless of your expertise level, whether you're just starting your horological journey or have a refined taste for luxury watches, I have tailor-made content for you. My comprehensive guides, informative how-to articles, and expert reviews are carefully curated to enlighten, educate, and inspire you. From delving into the complexities of watch mechanics to staying updated on the freshest trends in luxury wristwear, your exploration of time begins and reaches the pinnacle of wisdom here at Mt. Watches.

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