Tactical Dive Watch: Introducing the New Luminox Pacific Diver Series

New Luminox Pacific Diver Chronograph

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The Pacific Diver 3120 Series is a relatively new addition to the Luminox SEA collection. This stylish dive watch is perfect for outdoor enthusiasts and stays true to the Luminox brand with its durable stainless steel case and unique CARBONOX bezel. The combination of these materials creates a visually striking and attention-grabbing timepiece.

Now Luminox has added a chronograph to the series . Usually, chronograph watches are designed as racing watches rather than diving watches, as the chronograph buttons are a weak point in terms of water resistance. As you can see from the pictures, these buttons are not screwed down. Luminox has achieved proper sealing by using special gaskets or O-rings. These seals are made of materials such as rubber or silicone, which are highly resistant to water. When the button is pressed, the gasket compresses, forming a tight seal that prevents water from entering the watch. This design allows the watch to be water resistant up to 20 bar. Although the watch is water resistant, it is generally recommended though that the chronometer buttons are not pressed when the watch is submerged in order to maintain its water resistance.

Luminox DIver Chronograph Trigalights


  • Caliber: Swiss Ronda Z60 Quartz Movement
  • Function: Hours, minutes, day/date, Seconds, chronometer
  • Water resistance: 200 meters / 660 feet / 20 ATM
  • Bezel: CARBONOX™, uni-directional rotating bezel fitted at 12h with a protected colored light tube and sapphire crystal.
  • Crown: screw-down, protected crown, pushed chronograph buttons.
  • Case material: 316L stainless steel
  • Case diameter: 44 mm
  • Case height: 12 mm
  • Crystal: Sapphire, anti-reflective coating
  • Illumination: Tritium Tubes
Luminox DIver Chronograph Maroon

In a polished and brushed finish, the case back features Yema’s historic coat of arms.

What we like:

Design and overall quality of the materials

What could be better:

It would be much more convincing as a dive watch if the chronograph buttons were also screwed-in.

Luminox DIver Chronograph Rubber Band

The Natural Rubber Straps can be easily adjusted just by cutting them to the desired length.

Luminox DIver Chronograph Close-Up

About Luminox

In 1989, Luminox (Lumi means light, while Nox means night) was founded in San Rafael, California, dedicated to providing cutting-edge luminescence and readability by using tritium inserts, which provide long-term luminescence for up to 25 years.

Luminox specializes in custom-designed watches for a variety of military groups and regiments. Among these are the Heliswiss team, the US Coast Guard, US Air Force, the Navy SEALs and a variety of other special forces worldwide.

Already from the beginning, Luminox manufactured its watches in Switzerland, and since 2016 the brand is 100% owned by the Swiss Mondaine Watch Ltd. Group.

Luminox DIver Chronograph Blue

The Luminox Light technology features self-illuminating tritium tubes that glow in the dark under any condition for up to 25 years.

Luminox DIver Chronograph

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