Luminox Navy Seal Chronograph 3580 Series Ref. 3581.SISProduct Overview The U. S. Navy SEALs are an elite special forces unit composed of individuals selected through a grueling entry test that pushes them to their physical and mental limits. Known as one of the world's strongest special forces, they are capable of executing missions across all fields: sea (SEA), air (AIR), and land (LAND). In 2022, they celebrated their 60th anniversary. The relationship with Luminox began in 1992 when Sergeant Nick