Water & Dive
Purposeful watches with strong legibility and model-specific water resistance, including the famous Navy SEAL families.
Marcus Tempus
Product Story
Built for everyday adventure, the Luminox Leatherback Sea Turtle Giant combines the brand’s unmistakably rugged character with a clean, highly legible military-inspired dial.
The lightweight black case is paired with a textured black strap, while warm sand-toned numerals and bezel markings soften the otherwise stealthy design. Large Arabic numerals and high-contrast hands make the time exceptionally easy to read, complemented by Luminox Light Technology for continuous visibility in low-light conditions.
With a substantial 44mm presence, 100 metres of water resistance and Swiss quartz reliability, it is a practical Luminox designed to be worn rather than kept in the box.
Features
✦ Swiss Made
✦ 44mm case diameter
✦ Lightweight black case
✦ Black textured strap
✦ Black dial with sand-toned Arabic numerals
✦ Luminox Light Technology for continuous night visibility
✦ Date display at 3 o’clock
✦ Rotating timing bezel
✦ Swiss quartz movement
✦ 100m water resistance
✦ Rugged Leatherback Sea Turtle design
Marcus Tempus Brand Passport
MT-BP-002
Swiss Performance Watches
Luminox
Brand Passport • Swiss Made • Since 1989Founded1989
WatchmakingSwiss Made
Signature TechnologyLuminox Light Technology
IlluminationSelf-powered for up to 25 years
Performance HeritageNavy SEAL collaboration
Design WorldSea • Air • Land
Performance on the Wrist
Made to Be Read at a Glance
Luminox watches combine strong dial contrast, practical case construction and highly visible markers with a distinctly purposeful design language.
The result is a watch that feels equally at home outdoors, on the water or in everyday life — with the visual character to remain unmistakably Luminox.
The Technology
Luminox Light Technology
Luminox Light Technology uses tiny borosilicate glass capsules containing micro gas lights on the hands, hour markers and, on selected models, the bezel.
Unlike conventional luminous paint that must first absorb light, LLT is self-powered and designed to provide continuous visibility for up to 25 years.
24/7
Visibility without external charging
A Defining Chapter
The Navy SEAL Connection
In 1992, Navy SEAL research and development officer Chief Nick North worked with Luminox to develop a watch suited to the demanding needs of the SEALs.
That collaboration helped establish the Original Navy SEAL 3000 Series and became one of the most recognisable parts of the Luminox story.
Purposeful Materials
CARBONOX™
CARBONOX™ is Luminox's carbon-based case material, developed for watches where low weight and robust construction matter.
Luminox describes CARBONOX™ as six times lighter than steel and three times lighter than titanium, while also being non-metallic, anti-magnetic and resistant to changing weather conditions.
The Luminox World
Sea. Air. Land.
Aviation Influence
Watches inspired by cockpit clarity, technical readability and the practical requirements of aviation.
Outdoor Performance
Rugged watches designed for everyday adventure, field use and reliable visibility beyond the city.
Choosing Your Watch
Specifications Vary by Model
Luminox collections include different case materials, movements, crystals, case sizes and levels of water resistance. Some models use quartz movements while others are automatic.
We therefore list the exact technical specification on each Marcus Tempus product page rather than applying one specification to the whole brand.
Care & Water Resistance
Keeping a Luminox Ready for Use
Water resistance is not permanent. Luminox recommends that gaskets are inspected and replaced every 18–24 months, or more frequently when a watch is regularly exposed to chlorinated pools or salt water. The exact water-resistance rating should always be checked on the individual model.
Luminox Questions
Frequently Asked Questions
What is Luminox Light Technology?
It is a self-powered illumination system using micro gas lights inside tiny glass capsules to provide continuous low-light visibility.
How long does LLT last?
Luminox states that its self-powered illumination is designed to remain visible for up to 25 years.
Do Luminox watches need light to charge?
No. LLT does not rely on external light to charge in the way conventional luminous paint does.
What is CARBONOX™?
It is a lightweight carbon-based material used by Luminox on selected watch cases and components.
Are all Luminox watches waterproof to the same depth?
No. Water resistance varies by model, so the individual watch specification should always be checked.
Are all Luminox watches quartz?
No. The range includes quartz watches as well as selected automatic models.
Explore Luminox
Discover the Collection
Explore our current Luminox watches online, or visit Marcus Tempus to see selected models in person.