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 brands 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.