A gem of technology and design

Diving watches have never been as technical and stylish. The Citizen NB6045-51H Promaster Mechanical GMT stands out as a benchmark model, offering more than just the ability to tell time. Designed for modern adventurers, this watch combines exceptional performance with an aviation-inspired design, while meeting the requirements of divers and travelers. Discover what makes this watch a true masterpiece of precision and robustness.

A performance-driven case and bracelet

The case of the Promaster GMT NB6045-51H by Citizen is made of stainless steel, offering the perfect combination of lightness and strength. With a diameter of 41mm, it falls into the category of perfect sizes for a diving watch—neither too bulky nor too subtle. Its thickness is also well-balanced, providing a good grip while remaining comfortable on the wrist.

This watch is equipped with a robust stainless steel bracelet, which complements the case perfectly. The bracelet is designed to be durable and resistant, while offering optimal comfort during sports activities or underwater. In terms of water resistance, the watch can handle extreme conditions with a resistance of 20 bars (200 meters). You can wear it without worry during dives, swimming sessions, or any other water activity.

A functional and aesthetic dial

The dial of the NB6045-51H by Citizen is designed to offer perfect readability under all conditions. With its elegant gray color, it is adorned with Arabic numerals and luminous markers that allow you to read the time accurately, even in the dark. The watch is also equipped with an anti-reflective sapphire glass, which ensures protection against scratches and optimal visibility, without image distortion.

The dial design is further enhanced by the rotating bezel, ideal for divers who need to track dive times precisely. The entire design is not only practical but also aesthetically pleasing, with a sleek look and impeccable finishing quality.

A reliable and robust mechanical movement

At the heart of the Citizen NB6045-51H lies the Caliber 9054, an automatic movement that guarantees precision and reliability. It features a 50-hour power reserve, allowing you to leave it off over the weekend without losing its performance. This movement is also anti-magnetic, making it particularly suited for daily use in environments filled with magnetic fields, all while maintaining accurate timekeeping.

The Caliber 9054 is regulated to a precision of -10/+20 seconds per day and includes 24 jewels for greater fluidity and longevity. This sophisticated movement ensures not only exceptional precision but is also designed to endure and resist wear, even in the harshest environments.

Availability and price: A diving model not to be missed

The Citizen NB6045-51H Promaster Mechanical GMT is available for purchase at a price of 1,375 EUR, which reflects its excellence in design, performance, and durability. This model can be bought from Citizen’s official website or through authorized retailers. For divers and travelers looking for a reliable and stylish watch, this model represents a quality investment.

Technical characteristics summary