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This Navy SEAL 3550 reinterprets one of Luminox's most iconic tactical timepieces with a sleeker, more ergonomic 44 mm design. Inspired by decades of collaboration with the U.S. Navy SEALs, it combines uncompromising ruggedness and dependable functionality built for demanding operational conditions.
Crafted with a lightweight CARBONOX™ case and unidirectional rotating bezel, the watch pairs with an integrated black nitrile rubber strap for enhanced wearability. A screw-down crown, anti-reflective sapphire crystal, and 200-meter water resistance provide reliable underwater and field performance.
Powered by a Swiss RONDA 515 quartz movement, the black dial features numeral styling in Liberator Sans Heavy, the official font of the U.S. Navy. Luminox Light Technology tubes guarantee continuous illumination and clear readability under any lighting conditions for up to 25 years.
Key Features
| Brand | Luminox |
| Model Number | 3551.BO |
| SKU | XS.3551.BO |
| Origin | Swiss Made |
| Movement | Swiss Quartz |
| Caliber | RONDA 515 |
| Function | Time Date |
| Case Material | CARBONOX™ |
| Case Diameter | 44 mm |
| Case Height | 16 mm |
| Case Back | 316L Stainless Steel Screw-On |
| Bezel | Unidirectional Rotating |
| Crown | Screw-Down Crown |
| Crystal Material | Sapphire Crystal with Anti-Reflective Coating |
| Water Resistance | 200 m / 20 ATM |
| Strap Material | Black Nitrile Rubber |
| Strap Buckle | Black CARBONOX™ |
| Lug Width | 24 mm |
| Weight | 71 g |
| Illumination | Constant Glow for up to 25 Years |
| Approximate Battery Life | 50 Months |
Highlights
- Swiss Made RONDA 515 quartz movement with time and date functions
- Ultra-lightweight and durable 44 mm CARBONOX™ case and unidirectional bezel
- Scratch-resistant sapphire crystal with anti-reflective coating
- Luminox Light Technology providing continuous illumination for up to 25 years
- Water resistant to 200 meters with protected screw-down crown
- Comfortable black nitrile rubber strap with 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 Driver'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.
