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The Pre-Owned Omega Seamaster Diver 300M Professional Luxury Watch Review

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The 2018 Omega Seamaster Diver 300M Professional Luxury Watch has made quite the impression in the watch industry. With a 42mm steel case, a blue and grey dial, and a blue rubber strap, this timepiece exudes luxury and style. It is the latest update of the iconic watch that gained fame on the wrist of Pierce Brosnan as James Bond. Omega has made several improvements to the watch, including a ceramic dial, a Master Chronometer caliber 8800, a display caseback, and a subtly re-profiled case enlarged to 42mm. With its professional functions and sleek design, the Omega Seamaster is highly sought after in both the new and pre-owned market.

Design and Features

Case and Dial

The case of the watch is crafted with meticulous attention to detail, combining functionality and style seamlessly. It is made of high-quality stainless steel, ensuring durability and resistance to wear and tear. The dial features a clean and elegant design, with clear markings and hands that are easy to read. It also boasts a scratch-resistant sapphire crystal, providing added protection to the watch face. The combination of the case and dial design gives the watch a sophisticated and timeless appeal.

Bracelet and Strap

The bracelet and strap options available for this watch are carefully crafted to provide both comfort and style. The stainless steel bracelet is robust and well-made, and its adjustable links allow for a customizable fit. For those who prefer a more casual look, there is also a selection of leather and fabric straps available, adding versatility to the overall design of the watch.


The bezel of the watch features a unidirectional rotating mechanism, allowing for precise timing during diving or other activities that require accurate measurement of elapsed time. The bezel is also designed with a notched edge for easy grip and rotation, ensuring a smooth and effortless operation.

Crown Guard

The watch is equipped with a crown guard, a feature that provides additional protection to the crown and prevents accidental operation when immersed in water or during vigorous activities. The crown guard adds to the overall robustness of the watch, making it suitable for adventurers and outdoor enthusiasts.

Helium Escape Valve

The inclusion of a helium escape valve in this watch allows for the release of accumulated helium gas during saturation diving, preventing potential damages to the watch due to the pressure buildup. This feature is particularly useful for professional divers who frequently engage in deep-sea explorations.


The crown of the watch is crafted with precision and attention to detail. It is designed to be easily operated, allowing for manual winding, time setting, and date adjustment. The crown is also water-resistant, contributing to the overall water resistance of the watch.

Size and Fit

This watch comes in various sizes to cater to different wrist sizes and preferences. The dimensions are carefully calculated to strike the perfect balance between wearing comfort and visual appeal. Whether you prefer a smaller and more discreet timepiece or a larger statement watch, there is a size option available to accommodate your needs.


The buckle of the watch is made of stainless steel and is designed for durability and ease of use. It securely fastens the strap or bracelet, ensuring a comfortable and secure fit. The buckle is also adjustable, allowing for fine-tuning of the strap or bracelet length.

Dial Design

The dial design of this watch is carefully thought out to provide optimal legibility and functionality. The markings and hands on the dial are clear and easily readable, even in low-light conditions. The use of contrasting colors and luminous materials enhances visibility, making it effortless to read the time at a glance.

Water Resistance

One of the standout features of this watch is its impressive water resistance. With a depth rating of up to 300 meters, it is suitable for water activities such as swimming and snorkeling, as well as recreational scuba diving. The watch is constructed with high-quality seals and gaskets, ensuring that it remains watertight even under considerable pressure.

Mechanical Specifications

Calibre 8800

The watch is powered by the Calibre 8800, a high-precision self-winding mechanical movement. This movement is known for its exceptional accuracy and reliability, making it a popular choice among watch enthusiasts. It features a Co-Axial escapement, which significantly reduces friction and increases the timepiece’s overall efficiency and longevity.

Coaxial Escapement

The Co-Axial escapement, developed by a renowned watchmaker, is a groundbreaking innovation in mechanical watchmaking. It reduces friction and improves the overall efficiency and accuracy of the movement. The use of this escapement in the watch ensures that it requires less frequent servicing and maintenance, resulting in a longer lifespan and better long-term performance.

Chronometer Certification

The watch is officially certified as a chronometer, a designation granted to timepieces that have passed rigorous testing by an independent authority. This certification verifies the watch’s exceptional precision and accuracy, as it must meet strict standards set by the authority.

Shock Resistance

The watch is designed to withstand the shocks and impacts that may occur during everyday wear or more adventurous activities. It incorporates shock-resistant technology, protecting the movement from potential damage caused by sudden impacts or vibrations.


The watch is engineered to be highly resistant to magnetic fields, ensuring accurate timekeeping even in environments where magnetic interference is present. This anti-magnetic feature is particularly beneficial for individuals who work in proximity to electronic devices or in industries where magnetic fields are prevalent.

Power Reserve

The watch boasts an impressive power reserve, allowing it to operate autonomously for an extended period without requiring manual winding. This feature is convenient for those who frequently rotate their watches or for occasions when wearing the watch continuously may not be feasible.

Hacking Seconds and Quick Set Date

The watch incorporates hacking seconds, a feature that allows the user to precisely synchronize the second hand with a reference time. This is particularly useful when setting the time or when accurate timekeeping is of utmost importance. The watch also features a quick-set date function, enabling easy adjustment of the date display without the need for the user to advance the hour hand fully.


The caseback of the watch features a transparent exhibition window, providing a glimpse into the intricate inner workings of the watch. This feature allows watch enthusiasts to appreciate the craftsmanship and engineering that goes into creating a high-quality timepiece.

Automatic Winding

The watch is equipped with an automatic winding system, powered by the natural motion of the wearer’s wrist. This eliminates the need for manual winding and ensures that the watch remains constantly wound as long as it is worn regularly. The automatic winding system also contributes to the long-term accuracy and reliability of the watch.

Performance and Functionality


With its precision movement and chronometer certification, this watch offers exceptional accuracy. It surpasses the industry standard for mechanical watches, ensuring that you can rely on its timekeeping capabilities for both everyday wear and more demanding activities.

Winding Efficiency

The automatic winding system of the watch is designed for optimal winding efficiency. It efficiently harnesses the kinetic energy generated by the movement of your wrist, ensuring that the watch remains fully wound and ready for use at any time. This feature eliminates the need for manual winding and ensures that the watch consistently operates at its best.

Water Resistance

The water resistance of this watch is a standout feature, allowing you to confidently engage in water activities without worrying about water damage. It is designed to withstand high-pressure underwater conditions, making it suitable for a wide range of water-related activities, including swimming, snorkeling, and even recreational scuba diving.


The watch’s anti-magnetic properties ensure accurate timekeeping even in the presence of magnetic fields. This feature is particularly valuable in situations where the watch is exposed to strong magnetic fields, such as near electronic devices or in certain industrial settings. With this watch, you can be confident that your timekeeping will not be affected by external magnetic interference.

Power Reserve

The significant power reserve of the watch ensures that it will continue to operate reliably for an extended period without needing manual winding or adjustment. This feature is especially useful for those who rotate between multiple watches or for occasions when wearing the watch continuously may not be practical. You can be confident that your watch will be ready for use whenever you need it.

Versatility and Styling

Dress and Adventure

This watch effortlessly combines elegance with durability, making it suitable for both formal and casual occasions. Whether you are attending a social event or embarking on an adventure in the great outdoors, this timepiece will complement your attire while providing the reliability and functionality you need.

Suitable for Any Occasion

The versatility of this watch makes it suitable for a wide range of occasions and outfits. Its timeless design and impeccable craftsmanship ensure that it will always make a statement, whether it is worn with a suit, a casual outfit, or even sports attire. The watch’s ability to seamlessly transition between different settings adds to its appeal as an everyday timepiece.

Blue Dial Variation

For those looking for a unique and distinctive look, this watch is available in a striking blue dial variation. The deep blue hue adds a touch of sophistication and elegance to the overall design, making it a standout choice for those who appreciate individuality and style.

Comparison to Previous Models

Updates and Enhancements

In comparison to previous models, this watch incorporates several updates and enhancements. These improvements range from increased water resistance to the inclusion of advanced features such as anti-magnetism and hacking seconds. These updates ensure that the watch remains at the forefront of horological innovation, delivering improved performance and functionality.

Materials and Finish

The materials used in the construction of this watch are of the highest quality, ensuring durability and longevity. The finish is immaculate, with attention to detail evident in every aspect of the design. The combination of premium materials and meticulous craftsmanship results in a timepiece that exudes luxury and sophistication.

Mechanical Specifications

The mechanical specifications of this watch have been refined and optimized to deliver superior accuracy and reliability. The inclusion of the Co-Axial escapement and the use of a high-precision movement contribute to enhanced performance and longevity. The watch’s ability to withstand shocks, resist magnetism, and maintain a significant power reserve sets it apart from previous models.

Size and Fit

This watch offers various size options to cater to different wrist sizes and preferences. The improved sizing ensures a perfect fit, enhancing comfort and wearability. Whether you prefer a more compact and discreet watch or a larger statement timepiece, there is a size option available to suit your style.

Pros and Cons


  • Meticulous design and impeccable craftsmanship
  • Exceptional accuracy and reliability
  • Impressive water resistance
  • Versatile and suitable for various occasions
  • Striking blue dial variation


  • Limited customization options for dial and case materials
  • Higher price point compared to similar models in the market


In conclusion, this watch sets a new standard in terms of design, features, and performance. Its meticulous craftsmanship, exceptional accuracy, and impressive water resistance make it a reliable choice for watch enthusiasts and adventurers alike. With its versatility and impeccable style, this timepiece effortlessly transitions from formal occasions to outdoor adventures. Despite some limitations in terms of customization options and price, the pros of this watch far outweigh the cons. If you’re looking for a watch that combines elegance, reliability, and functionality, this timepiece should be at the top of your list.

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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