113290LGK0000 Features : Extreme Edition Everest : commemorates Apa Sherpa’s 20th summit of Mt Everest; only 8848 wristops are produced, reflecting Everest’s elevation, each is numbered and engraved with Apa Sherpa’s signature A portion of every special edition wristop sold is donated to the Apa Sherpa Foundation which benefits Nepalese youth and enhances education in Nepal Black military : you don’t have to be running black ops to appreciate the inherent toughness here to burly plastic composite case with and elastomer and stainless steel strap Alu Alu : board-room ready with classic good looks; an aluminum case and lugged bracelet are super-tough, and totally polished Alu Brown : ruggedly handsome, dressy enough as long as it’s not black tie with an aluminum bezel and case with a brown negative display and leather strap with aluminum lugs Black Yellow : the athletic looking one, this version has an aluminum bezel, black negative display, and standard elastomer strap Light Black : up-to-date and sleek with a less overwhelming appearance, this version has a light plastic case with elastomer strap and lugs Regular Black : simple, tough, and gets the job done with a composite case, positive display, and standard elastomer strap Specifications : Altimeter to Barometer to Compass : Yes Increments : +– 2-3 degrees Declination adjustment : Yes