Luminox Watch Navy Seal 3500 Series XS.3510. Luminox expands its legendary Navy SEAL 3500 Series with a new stealth-inspired blackout timepiece, engineered entirely from the brand’s proprietary CARBONOX™ material. With its case, bezel, and even bracelet all constructed from CARBONOX™, this release is one of the lightest models in the entire collection, delivering unparalleled durability, strength, and comfort for any adventure or mission.