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Hazard 4 Heavy Water Diver BlackTie A Watch - Black/Silver

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Hazard 4 Heavy Water Diver BlackTie A Watch - Black/Silver

Heavy Water Diver BlackTie A watch. A light and durable watch with a titanium case and water resistance up to 300 meters. It is equipped with tritium backlighting and a precise Swiss mechanism. It will prove itself in difficult conditions, both underwater and on land. The model is characterized by tritium backlighting in blue.

Titanium case, quartz mechanism

The watch is equipped with a Ronda 515 quartz movement powered by a Renata 371 battery. The 50 mm diameter case is made of grade 2 titanium, making the whole piece lightweight, durable and hypoallergenic.

The model has a high water resistance of 30 atmospheres, which effectively protects the watch when diving to a depth of 300 meters or swimming. The notched, unidirectional diving bezel with a tritium zero indicator and an easy-to-turn screw-down crown allows for precise setting of dive time. The large size of the crown makes it much easier to operate with gloves on or under water.

The watch face is characterized by large, clear digits in military style, made in 3D technology. The integrated 24-hour scale makes it easy to read the time in military format. Inside the dial, there is an additional ring with minute markings for improved visibility.

The dial has a date window that displays the current day of the month.

The entire watch is protected by scratch-resistant sapphire crystal with an internal anti-reflective coating, which makes it easier to read the time on a sunny day.

Tritium backlight

The hands, indexes and zero indicator are equipped with tritium microtubes that emit a constant, intense blue light without having to be activated. The tubes are raised 80% above the surface of the dial, ensuring visibility from different angles and guaranteeing readability in the dark.

Tritium has a half-life of 12 years, which means that its luminosity will be halved after this time.

Durable strap

The watch has a durable rubber strap with a grooved texture with a map motif and numerous holes that wick away moisture, improve ventilation and prevent sweat from building up on the wrist. The material is resistant to moisture and sweat, making it an excellent choice for intense activities. A special lock prevents accidental unfastening.

The quick strap change system with screw-in pins allows you to easily adjust the watch to your preferences. A Torx 6 screwdriver is required for disassembly.

Set elements

  • Heavy Water Diver BlackTie Watch - Black/Silver Case
  • case

Main features

  • quartz movement
  • titanium case
  • large dial
  • clear digits
  • sapphire crystal glass
  • tritium backlight
  • water resistant to 30 ATM
  • lightweight design
  • diving bezel
  • screw-down crown
  • ergonomic strap
Hazard 4


MILITARY is the exclusive distributor of Hazard 4 in Poland.


Hazard 4 is an American brand specializing in the design of advanced tactical equipment and clothing for the military, uniformed services, outdoor enthusiasts, and extreme sports enthusiasts. Its motto, “Progressive Modular Gear,” reflects an approach based on continuous development and modularity, allowing equipment to be easily adapted to changing conditions and tasks. The products are manufactured using modern technologies, such as durable Cordura materials, laser-cut MOLLE panels, water-repellent coatings, and ergonomic carrying systems inspired by military solutions. Before the brand officially entered the market, its civilian models were already in operational use by professionals, including FBI agents, aviation personnel, and foreign unit operators, who often removed the Civilian series markings to adapt the equipment to the specifics of tactical operations. Today's Hazard 4 portfolio is a response to the real needs of these users – a combination of durability, functionality, and innovative thinking about the design and ergonomics of the equipment.

More Information
Gender Men's
Smartwatch No
Body material Titanium
Type of mechanism Quartz
Watch power supply Renata 371
Strap Rubber
Glass Sapphire
Alarm No
Date stamp Yes
Stopwatch No
Backlight Yes
Waterproof 30 ATM / 300 m
NFC No
Calendar No
Compass No
GPS No
Barometer No
Thermometer No
Altimeter No
Chronograph No
Pedometer No
Calorie counter No
Heart rate measurement No
Pulse oximeter No
Weight 108 g
EAN 816211013186
Manufacturer code HWD-TI-KW-BBRB
Brand Hazard 4

Reviews with photos

Number of reviews: 1

  1. P...
    100%

    A very durable watch that will work in any circumstances. Thanks to high-quality materials and modern technologies, you can completely trust it. A great choice for outdoor use.

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