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The Luminox Navy SEAL 3551 combines robust functionality with reliable Swiss quartz precision powered by the RONDA 515 caliber. Encased in lightweight and durable CARBONOX™ material, this tactical diving watch is engineered to withstand demanding environments while maintaining optimal comfort on the wrist.
Equipped with a sapphire crystal with anti-reflective coating and a screw-down crown, the timepiece provides professional-grade water resistance up to 200 meters. The unidirectional rotating bezel and durable black nitrile rubber strap with CARBONOX™ buckle offer secure handling during underwater operations.
Featuring proprietary Luminox Light Technology, the watch ensures continuous illumination and readability in complete darkness for up to 25 years without requiring an external charge. With an approximate battery lifespan of 50 months, it delivers dependable performance for active pursuits.
Key Features
| Brand | Luminox |
| Origin | Swiss Made |
| Movement | Swiss quartz |
| Caliber | RONDA 515 |
| Case diameter | 44 mm |
| Case height | 16 mm |
| Case material | CARBONOX™ |
| Case back | 316L Stainless steel screw on |
| Crown | Screw-Down Crown |
| Bezel | Unidirectional rotating |
| Crystal / glass material | Sapphire crystal, anti-reflective coating |
| Water resistance | 200 meters / 660 feet / 20 ATM |
| Strap / bracelet | Black nitrile rubber |
| Strap / bracelet buckle | Black CARBONOX™ |
| Lug width | 24 mm |
| Weight | 71 g |
| Function | Time date |
| Always visible | Constant glow for up to 25 years |
| Approximate battery life span | 50 months |
Highlights
- Swiss Made precision with RONDA 515 quartz movement and 50-month battery life
- Durable 44 mm CARBONOX™ case paired with a 316L stainless steel screw-on back
- Scratch-resistant anti-reflective sapphire crystal and screw-down crown for 200 m water resistance
- Constant glow illumination technology visible in dark conditions for up to 25 years
- Comfortable black nitrile rubber strap with secure CARBONOX™ buckle
Frequently asked questions
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PAYMENT METHODS

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SHIPPING & RETURNS
DELIVERY
- We aim to dispatch all in-stock items from our warehouse within 2-5 business days. An email will be sent to you which will include all your tracking information once your order has been handed over to our courier partner.
- If an item is out of stock, we will email you as soon as possible to arrange a full refund or exchange.
- FREE shipping for all orders to any South African address.
- International delivery to Zimbabwe, Namibia and Botswana is available for some brands. Please contact us for a shipping quote.
- Easy 7 days returns and exchanges
RETURNS
If you do not like the product you can return it within 7 days, assuming the item is not worn, scratched or damaged in any way, and includes all the original packaging.
Please contact us for any returns or exchanges
WATER RESISTANCE
Please check the marking on the back of your watch case and refer to the following table to confirm the degree of water resistance of your watch and the preferable conditions of use. A watch’s water resistance is not permanently guaranteed. It is affected by the ageing of gaskets or deformation of watch parts due to accidental shock. To preserve a watch’s water resistance as long as possible, please follow the precautions below:
- Wipe off moisture, sweat or dirt with a soft dry cloth after removing it from the wrist in order to increase the durability of the case back, gaskets and band.
- After using a water resistant watch in ocean water, wash it in fresh water and dry it with a soft cloth.
- Do not wash a water resistant watch while the crown is pulled out.
- Do not operate the crown or press a button when the watch is wet.
- A periodic overhaul service is recommended to check the water resistance of the watch regularly to ensure it’s functionality.
〇:OK, ✕:Not OK
Type of water resistance | For saturation diving | For scuba diving | Enhanced water resistance for | Water resistance for | Non-water resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Water resistance | Professional Diver's Watch | Diver's watch | 20 | 10 | 5 | 3 | ||||||||
Usage example | Accidental splashes and Contact with rain | 〇 | 〇 | 〇 | 〇 | 〇 | 〇 | × | ||||||
Swimming, Yachting, | 〇 | 〇 | 〇 | 〇 | 〇 | × | × | |||||||
Skin diving | 〇 | 〇 | 〇 | 〇 | × | × | × | |||||||
Scuba diving | 〇 | 〇 | × | × | × | × | × | |||||||
Saturation Diving | 〇 | × | × | × | × | × | × | |||||||
REVIEWS
Luminox Navy SEAL Diver's Quartz Watch
WHY BUY FROM US?
- AUTHORISED ONLINE DEALERThe Watch Boutique is an authorised online stockist for all brands. This includes a full international warranty.
- FREE AND FAST DELIVERYShipping is free for all orders in South Africa. We dispatch all orders within 2-5 business days.
- SECURE PAYMENT OPTIONSIncluding Buy Now, Pay Later plans with PayFlex and Pay Just Now.
- AFTER-SALES SERVICEWe have a full on-site watch repair workshop to take care of all after-sales needs.
