Brand New Authentic Longines Spirit Zulu Time Black Dial Steel Men's Watch Model L3.812.4.53.6. Stainless Steel and Ceramic case with Stainless Steel watch band. Deployment with Push Button clasp. Dial description - Silver tone Hands and Arabic Numeral Hour Markers with minute markers around the outer rim on a Black dial. Automatic Chronometer movement. Powered by Longines Caliber L844.4 engine with 72 hours power reserve. Watch functions - Date, 24 Hour, Power Reserve, Hour, Minute, Second. Screw In crown. Scratch Resistant Sapphire crystal. Round case shape. Case size - 42mm. Case thickness - 13.90mm. Solid case back. 100 Meters - 330 Feet water resistant. 5 year WatchMaxx warranty. Also known as model - L38124536. Longines Spirit Zulu Time Black Dial Steel Men's Watch L3.812.4.53.6