Press ESC to close

Omega Seamaster Diver 300M Omega Watch Review

Hey there! Some links on this page are affiliate links which means that, if you choose to make a purchase, I may earn a small commission at no extra cost to you. I greatly appreciate your support!

The Omega Seamaster Diver 300M is a highly sought-after dive watch that has garnered widespread acclaim. This timepiece features a robust stainless steel case measuring 42mm in diameter, encompassing a stunning ceramic blue wave dial. The watch boasts an array of impressive features, including a unidirectional dive bezel with a ceramic insert, 300-meter water resistance, a helium escape valve, and METAS Master Chronometer certification. Additionally, the watch offers convenient sliding and folding dive extensions and displays the time, date, and seconds. With its sleek design and reliable performance, the Omega Seamaster Diver 300M sets itself apart in the world of luxury dive watches.

Tim Mosso, the renowned watch expert from WatchBox Reviews, provides an in-depth review of the Omega Seamaster Diver 300M. He highlights various aspects of the watch, ranging from its design and construction to its functionality and performance. Furthermore, he discusses the watch’s impressive heritage, harkening back to its iconic appearance on the wrist of Pierce Brosnan during his portrayal of James Bond. With its updated features, improved bracelet design, and the fusion of classic elements, the Omega Seamaster Diver 300M is a standout timepiece that embodies both style and substance. To learn more about this remarkable watch, watch the full review by Tim Mosso and visit for the latest luxury watch offerings.

Omega Seamaster Diver 300M Omega Watch Review


Size and Materials

The size and materials of a watch are important factors to consider when purchasing a timepiece. The size of the watch should be appropriate for your wrist, ensuring a comfortable fit. It is recommended that you measure your wrist circumference before selecting a watch. Additionally, the materials used for the case, bezel, and bracelet can greatly impact the overall appearance and durability of the watch. Common materials used in luxury watches include stainless steel, titanium, and precious metals like gold or platinum. Each material has its strengths and it ultimately comes down to personal preference.

Dial Features

The dial of a watch is not only a functional component but also a design element. The dial features can vary greatly between different models and brands. Some common dial features include hour markers, minute markers, chronograph sub-dials, and date displays. The size and style of these features can greatly enhance the legibility and aesthetics of the watch. Additionally, some watches may offer luminescent hands or dial markers for improved visibility in low light conditions. Consider your personal preferences and the intended use of the watch when evaluating the dial features.

Water Resistance

Water resistance is a crucial feature to consider, especially if you plan on wearing your watch in water-related activities. The water resistance rating is measured in meters, which indicates the depth the watch can withstand without water penetration. While most watches are designed to be water-resistant to some degree, it is essential to understand the specific water resistance rating of the watch you are considering. Keep in mind that water resistance is not a permanent feature and may deteriorate over time with wear and tear. Regular maintenance and servicing can help maintain the water resistance capability of your watch.


The movement of a watch refers to the mechanism responsible for keeping time. There are different types of movements, including quartz, mechanical, and automatic. Quartz movements are powered by a battery and are known for their accuracy and ease of maintenance. Mechanical movements, on the other hand, require manual winding to keep the watch running. These movements are often preferred by watch enthusiasts for their craftsmanship and intricate design. Automatic movements are similar to mechanical movements but feature a self-winding mechanism powered by the movement of the wearer’s wrist. Consider the type of movement that best suits your preferences and lifestyle.


The bracelet of a watch is an important component of its overall design and comfort. It is often made of the same material as the case and can be adjusted to fit your wrist size. The bracelet may feature different link styles, such as a three-link or five-link design, and may include a deployment clasp for easy wearing and removal. Additionally, some bracelets offer micro-adjustment features, allowing for a more precise fit. It is important to select a bracelet that complements the overall aesthetics of the watch and provides a comfortable wearing experience.



The case of a watch is the outer shell that houses the movement and dial. It plays a significant role in the overall design and durability of the watch. The case size and shape can vary greatly between different models, ranging from smaller and more classic designs to larger and sportier options. It is important to consider your personal style and wrist size when choosing a case design. Additionally, the material used for the case can greatly impact the durability and aesthetics of the watch. Stainless steel is a popular choice for its durability and versatility, while precious metals like gold or platinum offer a more luxurious appeal.


The bezel of a watch is the ring that surrounds the dial and is often used for various functions. Common bezel types include a stationary, unidirectional rotating, or bidirectional rotating bezel. Stationary bezels do not move and are purely decorative, while rotating bezels can be used for timing purposes, such as measuring elapsed time or tracking a second time zone. The material and design of the bezel can greatly influence the overall look and functionality of the watch.


The dial of a watch is the face that displays the time and other functional features. The design of the dial can range from simple and minimalistic to complex and visually striking. Consider the readability of the dial, especially the contrast between the hands, hour markers, and background. Some watches may also incorporate additional features on the dial, such as chronograph sub-dials or a day/date display. The choice of dial color and texture can also significantly impact the overall aesthetics of the watch.


The hands of a watch indicate the time on the dial. There are different styles of hands, including sword, dauphine, and cathedral hands. The shape, length, and luminescence of the hands greatly influence the legibility of the watch. It is important to select a watch with hands that are easily distinguishable from the dial, especially in low light conditions. Additionally, some watches may include a second hand or different colored hands for specific functions, such as measuring elapsed time.


The date display is a common feature found on many watches. It is typically located on the dial and allows for quick reference to the current date. The date display can vary in design, ranging from a simple window with numeric indicators to a more complex sub-dial arrangement. Consider the size and legibility of the date display when evaluating watches, as some designs may have smaller or more crowded indicators. Additionally, some watches may offer additional date functions, such as a day/date display or a perpetual calendar, which automatically adjusts for leap years.


The bracelet of a watch is an important aspect of its overall design and comfort. It can significantly impact the overall aesthetics and wearing experience of the watch. Consider the material, style, and adjustability of the bracelet. Stainless steel bracelets are popular for their durability, while leather or fabric straps provide a more casual and comfortable option. Some watches may also offer the option to interchange bracelets, allowing for customization and versatility.


Helium Escape Valve

The helium escape valve is a feature primarily found in dive watches. It allows helium molecules, which can accumulate during deep saturation dives, to safely escape from the watch without damaging its internal components. This feature is particularly useful for professional divers who work in saturation environments. The helium escape valve is typically located on the side of the case and can be manually operated when necessary. If you engage in deep diving or professional underwater activities, a watch with a helium escape valve may be a valuable addition to your collection.

Dive Extensions

Dive extensions are additional features on the bracelet or strap of a watch that allow for easy adjustment when wearing the watch over a diving suit. These extensions provide added length to ensure a comfortable fit and ease of use underwater. Some dive extensions may include a ratcheting system or a quick-release mechanism for quick adjustments. If you plan on using your watch for diving purposes, consider the availability of dive extensions to ensure a proper fit and functionality.

Master Chronometer Certification

Master Chronometer Certification is a designation awarded to watches that have undergone rigorous testing by an independent organization, such as the Swiss Federal Institute of Metrology (METAS). These tests evaluate various aspects of the watch’s performance, including accuracy, magnetic resistance, and water resistance. Watches that meet the stringent requirements are certified as Master Chronometers, demonstrating exceptional timekeeping capabilities and reliability. If accuracy and performance are important to you, consider selecting a watch with Master Chronometer Certification.

Comparison to Previous Models

When considering a new watch, it is often helpful to compare it to previous models released by the same brand. This allows you to understand the evolution of the design, features, and technology incorporated into the new model. Analyzing the improvements or changes made in the new model can help you determine if it meets your requirements and preferences. Consider factors such as design updates, additional features, or enhancements in performance when comparing the new model to its predecessors.


Water Resistance

Water resistance is a critical performance aspect for watches, especially if you intend to wear them in water-related activities. It is important to ensure that the watch can withstand the intended depth without any water penetration. The water resistance rating is usually indicated in meters or ATM (atmospheres) and can range from a basic splash resistance of 30 meters to professional diving watches that are water-resistant up to 300 meters or more. Keep in mind that the water resistance rating does not guarantee complete waterproofness and can deteriorate over time. Regular maintenance, such as replacing gaskets and seals, is essential to maintain the water resistance capability of the watch.

Shock Resistance

Shock resistance refers to the watch’s ability to withstand impacts and vibrations without affecting its timekeeping performance. High-quality watches often incorporate shock-absorbing features to protect the delicate movement components. Mechanical watches, in particular, require more consideration for shock resistance due to the intricate mechanisms inside. Some common shock-absorbing technologies used in watches include Incabloc and KIF systems. When evaluating a watch’s shock-resistance, consider the type of movement and any specific shock-absorbing features implemented.


Magnetism can wreak havoc on a watch’s accuracy by interfering with the movement’s delicate balance. Anti-magnetic watches are designed to resist the effects of magnetism and maintain accurate timekeeping. Magnetic fields are often present in our daily lives, from smartphones to electronic devices and even magnetic closures on bags and purses. Some watches utilize materials with high magnetic resistance, such as silicon or anti-magnetic alloys, to shield the movement from the influence of magnetic fields. Watches that are tested and certified as having high anti-magnetic properties offer peace of mind for those who frequently encounter magnetic environments.


Chronometry refers to the accuracy of a watch in keeping time. Chronometer certification is the recognition awarded to watches that have passed strict tests for accuracy and precision. The mechanisms of chronometer-certified watches are tested in different positions and under various conditions to ensure consistent timekeeping. Precision timekeeping is particularly important for those who rely on their watches for professional or daily activities. Chronometer certification provides assurance that the watch has met stringent standards of accuracy and has passed rigorous testing.


When evaluating the value of a watch, it is important to consider the overall package it offers in terms of design, materials, functionality, and brand reputation. The value proposition may vary greatly depending on individual preferences and requirements. Luxury watches often command higher prices due to their craftsmanship, materials, and brand prestige. However, it is essential to assess whether the price aligns with the quality and features provided. Consider factors such as the movement type, materials used, and the brand’s history and reputation when determining the value of a watch.


  • High-quality materials and craftsmanship
  • Wide range of designs and styles to suit personal preferences
  • Comprehensive functionality, including chronograph and date features
  • Durable construction for long-lasting performance
  • Master Chronometer Certification ensures exceptional accuracy and reliability
  • Water-resistant for various water activities
  • Anti-magnetic properties offer enhanced durability
  • Shock-resistant for added protection in active lifestyles


  • Higher price point compared to entry-level or fashion watches
  • Luxury watches may require regular maintenance and servicing
  • Limited availability for certain models or limited editions
  • Some models may have limited water resistance for extreme water activities
  • May not appeal to those seeking a more budget-friendly option


In conclusion, selecting the right watch involves considering various factors such as size, materials, dial features, water resistance, movement type, and functionality. The design elements, including the case, bezel, dial, hands, and bracelet, greatly impact the overall aesthetics and wearing experience. The performance aspects, including water resistance, shock resistance, anti-magnetism, and chronometry, determine the watch’s reliability and accuracy. Evaluating the value proposition, pros, and cons of a watch can help guide your decision-making process. Ultimately, choosing a watch that resonates with your personal style and fulfills your functional requirements will ensure a timepiece that brings joy and satisfaction for years to come.

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.

Please enter CoinGecko Free Api Key to get this plugin works.