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Rolex Submariner Date 116618LN Review

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The Rolex Submariner Date 116618LN is a prestigious timepiece that combines luxury and functionality. This dive watch is encased in 40mm of 18k yellow gold and features a black dial on an 18k yellow gold Oyster bracelet. It offers various functions such as hours, minutes, seconds, and date with a thickness of 12.2mm and a lug-to-lug width of 48mm. With its sleek design and impeccable craftsmanship, the Rolex Submariner Date 116618LN is truly a standout in the world of luxury watches.

In terms of its construction, this watch boasts solid end links, solid center links, and a milled clasp for utmost durability. The bracelet is adjustable with a double locking system, providing a secure and comfortable fit. The super case design adds a touch of ruggedness to the watch, while the yellow gold bezel and ceramic insert offer both style and protection. With features like a sapphire-capped pearl and cyclops eye, the Rolex Submariner Date 116618LN provides excellent legibility and convenience. Powered by a 31-jewel automatic caliber, this watch ensures accurate timekeeping and a 48-hour power reserve. Overall, the Rolex Submariner Date 116618LN is a remarkable timepiece that exemplifies the brand’s commitment to quality and luxury.


The specifications of a watch are crucial for determining its overall quality and functionality. When considering the purchase of a timepiece, it is important to thoroughly understand and evaluate each aspect of its design. This comprehensive article will provide an in-depth analysis of the key specifications of a luxury watch, highlighting its size and design, bracelet design and features, water resistance, bezel design, dial design, movement, and superlative chronometer certification.

Size and Design

The size and design of a watch play a significant role in its overall aesthetic appeal and wearability. The case size, thickness, and lug-to-lug measurement are essential factors to consider when determining the suitability of a timepiece for your wrist.

Case Size

The case size refers to the diameter of the watch case itself. A larger case size typically makes a bolder statement and can enhance the visibility of the dial, while a smaller case size offers a more understated and classic look. It is important to consider your personal style and wrist size when selecting a watch with the appropriate case size.


The thickness of a watch contributes to its overall comfort and wearability. A thinner watch can easily slip under the cuff of a shirt, making it suitable for formal occasions. Conversely, a thicker watch may have a more substantial presence on the wrist and offer additional durability. It is crucial to find a balance between style and practicality when considering the thickness of a watch.

Lug-to-Lug Measurement

The lug-to-lug measurement refers to the distance between the lugs of a watch case. This measurement is especially important if you plan to change the bracelet or strap of your watch. A larger lug-to-lug measurement may limit your options for customization, while a smaller measurement offers more possibilities for strap replacement. Consider your preferences for versatility and customization when assessing the lug-to-lug measurement of a watch.

Bracelet Design and Features

The design and features of the bracelet are crucial aspects to consider when evaluating the overall quality and wearability of a luxury watch. A well-designed bracelet can enhance the comfort and durability of a timepiece, while also adding to its overall aesthetic appeal.

Solid End Links

Solid end links connect the bracelet to the watch case, providing stability and strength. Watches with solid end links tend to feel more robust and offer a higher level of durability. The solid end links ensure that the bracelet fits securely to the case, reducing the risk of damage or detachment.

Solid Center Links

Solid center links refer to the links in the middle portion of the bracelet. These links are typically constructed from stainless steel or other sturdy materials. Watches with solid center links offer a more substantial feel and can withstand the rigors of daily wear.

Milled Clasp

A milled clasp is a high-quality feature that signifies attention to detail in watch design. Instead of a pressed or stamped clasp, a milled clasp is crafted from a single piece of metal, resulting in a more precise and durable closure. A milled clasp adds to the overall security and longevity of a watch.

Screws for Link Adjustment

Link adjustment is an essential feature of a bracelet, allowing for a customized fit on the wrist. Watches with screws for link adjustment offer greater versatility and ease of sizing. The use of screws rather than pins ensures a more secure and precise adjustment, reducing the risk of accidental loosening or detachment.

Double Locking System

A double locking system refers to a mechanism on the clasp that provides an extra layer of security. This feature ensures that the bracelet remains securely fastened, even during vigorous activity or movement. A double locking system offers peace of mind, minimizing the risk of accidental opening or detachment.

Glide Lock

The Glide Lock system is a proprietary feature of certain luxury watches, including those from Rolex. This innovative mechanism allows for incremental adjustments to the bracelet size without the need for tools. The Glide Lock system provides convenient and precise sizing options, enabling the watch to be comfortably worn in a variety of conditions.

Rolex Submariner Date 116618LN Review

Water Resistance

Water resistance is a crucial consideration for individuals who lead active lifestyles or have a penchant for water-related activities. A watch with adequate water resistance can withstand exposure to moisture, ensuring its longevity and reliability.

Triplock Crown

The Triplock crown is a key feature of Rolex watches, offering exceptional water resistance. This crown design features a triple-gasket system, providing a watertight seal when the crown is screwed down. The Triplock crown ensures that moisture does not penetrate the watch case, safeguarding the internal components from potential damage.

300 Meter Water Resistance

A watch with a water resistance rating of 300 meters is suitable for recreational scuba diving and other water-based activities. This level of water resistance offers peace of mind, knowing that your timepiece can withstand the rigors of underwater exploration. Whether you are swimming, snorkeling, or diving, a watch with 300-meter water resistance ensures that your investment is protected.

Bezel Design

The bezel of a watch serves both practical and aesthetic purposes. It not only adds to the overall design of the timepiece but also offers functional features such as timing capabilities or tracking additional timezones.

Yellow Gold Bezel

A yellow gold bezel adds a touch of elegance and luxury to a watch. This material choice exudes a timeless appeal and pairs well with various dial and bracelet designs. A yellow gold bezel enhances the overall aesthetic of a timepiece, elevating its status and making it suitable for formal occasions or special events.

Ceramic Insert

A ceramic insert adds durability and scratch resistance to a watch bezel. Ceramic is known for its exceptional hardness, making it resistant to everyday wear and tear. A watch with a ceramic insert maintains its pristine appearance even after prolonged use, ensuring that the bezel remains scratch-free and vibrant.

Sapphire Capped Pearl

A sapphire capped pearl is a distinctive feature found on certain watch bezels. It refers to a small, spherical element made from a sapphire crystal that sits at the 12 o’clock position. The sapphire capped pearl serves as a visual reference point and enhances the legibility of the watch, especially in low-light conditions. This feature adds a touch of elegance and sophistication to the overall design of a timepiece.

Dial Design

The design of the dial significantly contributes to the overall aesthetic appeal and functionality of a watch. The dial serves as the visual centerpiece and provides essential information such as the time, date, and additional complications.

Black Lacquer Dial

A black lacquer dial offers a refined and classic look to a watch. The glossy finish adds depth and elegance to the timepiece, making it suitable for both formal and casual occasions. The contrast between the black dial and other elements such as indices and hands creates a visually striking effect, enhancing the legibility of the watch.

Yellow Gold Indices and Hands

Yellow gold indices and hands contribute to the luxurious and opulent appeal of a watch. The warmth and richness of the yellow gold color add a touch of glamour to the dial, creating a captivating visual contrast. The yellow gold indices and hands not only enhance the overall aesthetic of a timepiece but also improve the legibility, ensuring that the time can be easily read at a glance.

Cyclops Date Window

The cyclops date window is a feature commonly found on luxury watches, including those from Rolex. This magnifying lens is positioned above the date aperture, enlarging the date display for improved readability. The cyclops date window adds a functional and practical aspect to the dial design, allowing for effortless date tracking.


The movement of a watch refers to the internal mechanism responsible for its timekeeping accuracy and functionality. The movement is a crucial specification to consider when evaluating the overall quality and performance of a timepiece.

Rolex Manufacture Caliber 3135

The Rolex Manufacture Caliber 3135 is a self-winding mechanical movement known for its reliability and precision. This in-house caliber is designed and manufactured entirely by Rolex, ensuring exceptional quality control. The Caliber 3135 offers a high degree of accuracy and stability, making it a popular choice among watch enthusiasts.

Automatic Winding

The automatic winding feature of the movement eliminates the need for manual winding. The movement harnesses the natural motion of the wearer’s wrist to wind the watch, ensuring a constant and steady power source. Automatic winding offers convenience and ease of use, making it a preferred choice in modern luxury watches.

31 Jewels

The presence of 31 jewels in the movement indicates the meticulous attention to detail in its construction. Jewels are synthetic rubies or synthetic sapphires used as bearings in the movement, reducing friction and enhancing durability. The use of 31 jewels ensures smooth operation and optimal efficiency in timekeeping.

48 Hour Power Reserve

The power reserve of a watch refers to the length of time the movement can operate without being wound or exposed to an external power source. A 48-hour power reserve indicates that the watch can run continuously for 48 hours before requiring winding. This feature offers convenience and reliability, ensuring that the timepiece remains accurate even during periods of inactivity.

28,800 BPH Beat Rate

The beat rate of a movement refers to the number of vibrations it makes per hour. A higher beat rate generally indicates greater accuracy and precision in timekeeping. A movement with a beat rate of 28,800 beats per hour ensures exceptional timekeeping performance, reducing the likelihood of any significant deviation from the correct time.

Hacking Seconds

The hacking seconds feature allows the seconds hand to come to a complete stop when the crown is pulled out for time setting. This feature facilitates precise time synchronization, ensuring that the watch can be accurately set to the desired time. The hacking seconds feature adds to the overall functionality and convenience of a timepiece.

Quick Set Date

A quick set date feature allows for easy and rapid adjustment of the date display. Instead of advancing the time past midnight to change the date, a quick turn of the crown enables the wearer to instantly change the date. This feature offers convenience and efficiency, allowing for effortless date adjustment without interrupting the timekeeping accuracy.

Shock Resistance

Shock resistance is a crucial specification for ensuring the longevity and durability of a watch. A shock-resistant movement can withstand accidental impacts and jolts, reducing the likelihood of damage to the internal components. This feature enhances the overall reliability and robustness of a timepiece, making it suitable for various activities and environments.

Fully Cased COSC Certification

The COSC (Contrôle Officiel Suisse des Chronomètres) certification is awarded to timepieces that undergo thorough testing to ensure their accuracy and precision. A fully cased COSC certification indicates that the movement has passed the rigorous tests and meets the strict standards set by the organization. This certification guarantees the exceptional timekeeping performance of the watch and adds to its overall value and desirability.

Brigade / Coil for Accuracy

The brigade, also known as a sprung balance, is a crucial component in the movement responsible for regulating the timekeeping accuracy. It helps maintain the stability and consistency of the movement, ensuring accurate timekeeping over extended periods. The presence of a high-quality brigade further enhances the precision and reliability of a watch.

Anti-Magnetic Properties

Magnetic fields can interfere with the accuracy and performance of a watch’s movement, causing significant deviations in timekeeping. Anti-magnetic properties in the movement protect against magnetic fields and ensure the reliability and accuracy of the watch, even in the presence of electromagnetic influences. This feature is particularly beneficial for individuals who work in environments with high magnetic fields, such as medical professionals or engineers.

Superlative Chronometer

The superlative chronometer designation signifies the exceptional timekeeping accuracy and performance of a watch. Achieving this certification requires meeting rigorous standards set by both the COSC and Rolex.

COSC Certification

As previously mentioned, the COSC certification ensures the accuracy and precision of a timepiece’s movement. Rolex watches undergo this certification process to validate their exceptional timekeeping performance. The COSC certification adds credibility and value to the watch, guaranteeing its accuracy within specified tolerances.

Rolex Certification

In addition to the COSC certification, Rolex subjects its watches to an additional series of tests and inspections in-house to ensure their quality and reliability. Rolex certification demonstrates an extra level of commitment to excellence and precision. The Rolex certification is a testament to the brand’s dedication to producing superior timepieces.


When evaluating the specifications of a luxury watch, it is essential to consider various aspects such as size and design, bracelet design and features, water resistance, bezel design, dial design, movement, and superlative chronometer certification. By thoroughly understanding and analyzing each specification, you can make an informed decision and select a timepiece that meets your personal preferences and requirements. The comprehensive analysis provided in this article serves as a valuable resource for anyone considering the purchase of a luxury watch, allowing you to appreciate the meticulous craftsmanship and attention to detail that goes into creating these exceptional timepieces.

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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