Luminox Limited Black Ops 8880 Series Ref. Blackops 8881Product Overview The BLACK OPS, a Japanese limited blackout model named after covert military operations, features a matte black case made of carbon and a black and gray index, creating a dark and cool appearance. In addition to Luminox's signature ultra lightweight and highly waterproof CARBONOX case, the anti reflective coated sapphire crystal prevents light reflection and ensures excellent visibility. It also includes a durable natural rubber