Luminox Fitness Watch XS.3615

Items Description

The Luminox Fitness Watch XS.3615 is a Swiss-made dive watch built for divers, military personnel, and outdoor professionals who require reliable timekeeping in demanding environments. Part of the Navy SEAL 3600 Series, this 45mm model pairs a Carbonox composite case with a black rubber strap, delivering a rugged tool-watch profile that suits both underwater operations and everyday wear.

 

Luminox has supplied watches to the United States Navy SEALs since the 1990s, and the Navy SEAL collection reflects that lineage through a focus on legibility, durability, and continuous visibility. The XS.3615 carries forward this design language with a black dial, a unidirectional rotating bezel, and the brand's LLT (Luminox Light Technology) system, which keeps the hands and hour markers illuminated for up to 25 years without requiring an external light source.

 

Key Advantages of the Luminox Fitness Watch XS.3615

 

1. Swiss Quartz Movement for Dependable Accuracy

At the heart of the XS.3615 is a Swiss quartz movement, a choice that prioritises accuracy and low maintenance over mechanical complexity. For a dive watch intended for operational use, quartz reliability removes the need for regular winding and reduces the risk of timekeeping deviation during extended field deployment.

 

• Swiss Made: Assembled in Switzerland to meet established watchmaking standards.
• Quartz Precision: Consistent timekeeping with minimal drift over time.
• Low Maintenance: No winding required; battery replacement at standard service intervals.

 

2. Carbonox Case Construction

The 45mm case is made from Carbonox, a carbon-reinforced composite material developed by Luminox. Carbonox is significantly lighter than stainless steel while remaining resistant to shock and corrosion, which is why it appears across the Navy SEAL range. On the wrist, the material produces a matte black finish that reduces glare and reflects the watch's tactical intent.

 

• Case Diameter: 45mm, suited to medium-to-large wrists.
• Case Material: Carbonox composite, lightweight and impact-resistant.
• Case Colour: Matte black, non-reflective under direct light.

 

3. Luminox Light Technology (LLT)

Luminox equips the XS.3615 with its proprietary LLT system, which uses micro gas light tubes mounted on the hands and hour markers. Unlike conventional photoluminescent coatings that fade within hours, these tubes emit a continuous glow for up to 25 years and do not require exposure to light to activate. This makes the watch readable in low-light or nighttime conditions, including underwater.

 

• Continuous Illumination: Visible in darkness without prior light charging.
• 25-Year Lifespan: Borosilicate glass tubes with tritium gas.
• Night Readability: Green and orange tubes distinguish hands from markers.

 

4. 200 Metre Water Resistance and Dive Features

The XS.3615 is rated to 20 ATM (200 metres), covering recreational diving, snorkelling, and surface water sports. A unidirectional rotating bezel with a luminous marker allows elapsed dive time to be tracked, while the screw-down crown and case back seal the movement against water ingress.

 

• Water Resistance: 20 ATM / 200 metres.
• Bezel: Unidirectional rotating, with luminous pip.
• Crown: Screw-down for a secure water seal.
• Crystal: Sapphire-coated mineral glass, scratch-resistant.

 

5. Black Dial and Rubber Strap Configuration

The black dial on this reference keeps the layout clean, with bold white numerals and a date window at 3 o'clock for quick reference. The accompanying 24mm black rubber strap is designed for water exposure and heavy use, resisting sweat, saltwater, and UV degradation better than leather alternatives. The combination results in a watch that reads clearly at a glance and stays comfortable during extended wear.

 

• Dial: Black with white hour markers and hands.
• Strap: 24mm black rubber, water and sweat resistant.
• Date Display: Positioned at 3 o'clock.

 

The Luminox Fitness Watch XS.3615 is best suited for divers, active-duty personnel, and outdoor users who need a watch that remains legible in the dark and functions without maintenance across long periods. For those who prefer a Swiss quartz dive watch with a lightweight composite case and continuous night visibility, the XS.3615 delivers those requirements in a single package.

Specifications of Luminox Fitness Watch XS.3615

Brand Name	Luminox
Model number	XS.3615
Part Number	XS.3615
Item Shape	Round
Dial window material type	Crystal
Clasp	Hidden closure
Case material	Stainless Steel
Case diameter	30 centimeters
Case Thickness	15 centimeters
Band Material	Stainless Steel
Band width	5 centimeters
Band Color	Black
Dial color	Gray
Bezel material	Stainless Steel
Special features	Water Resistant
Item weight	2.75 Ounces
Movement	Automatic
Water resistant depth	200 Meters
Display Type	Analog

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Specifications
[Brand Name ]	Luminox
[Model number ]	XS.3615
[Part Number ]	XS.3615
[Item Shape ]	Round
[ Dial window material type ]	Crystal
[Clasp ]	Hidden closure
[Case material ]	Stainless Steel
[Case diameter ]	30 centimeters
[Case Thickness ]	15 centimeters
[Band Material ]	Stainless Steel
[Band width ]	5 centimeters
[Band Color ]	Black
[Dial color ]	Gray
[Bezel material ]	Stainless Steel
[Special features ]	Water Resistant
[Item weight ]	2.75 Ounces
[ Movement ]	Automatic
[ Water resistant depth ]	200 Meters
[Display Type ]	Analog

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