Stainless steel case with a black (crocodile) leather strap. Bi-directional rotating stainless steel bezel. Black dial with silver-tone hands and index hour markers. Slide rule aka navigation computer markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display between the 4 and 5 o'clock positions. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Automatic movement with a 70-hour power reserve. Scratch resistant sapphire crystal. Push / pull crown - two gaskets. Skeleton case back. Case diameter: 46 mm. Case thickness: 14.5 mm. Strap width: 24 mm / 20 mm. Round case shape. Deployment clasp. Water resistant at 30 meters / 100 feet. Additional Information: Slide Rule aka Navigation Computer. The Slide-Rule complication can compute different airborne calculations such as fuel consumption, climbing times & converting miles into nautical miles or kilometers. Functions: chronograph, date, hour, minute, second. Luxury watch style. Breitling Navitimer 01 Black Dial Sainless Steel Men's Watch AB012721/BD09BKCD.specs:Case Case Size:46 mmCase Thickness:14.5 mmCase Material:Stainless SteelCase Shape:RoundCase Back:SkeletonBand Band Material:Crocodile LeatherBand Type:StrapBand Color:BlackBand Width:24-20 mmClasp:DeploymentDial Dial Color:BlackType:AnalogCrystal:Scratch Resistant SapphireHands:Luminous Silver-toneDial Markers:IndexSecond Markers:Slide Rule aka Navigation Computer around the outer rimSub Dials:Three - 60 Second, 30 Minute and 12 HourLuminiscence:Hands and MarkersBezel:Bi-directional Rotating Slide RuleBezel Color:Silver-toneBezel Material:Stainless SteelCrown:Pull / Push - Two GasketsInformation Brand:BreitlingSeries:NavitimerCollection Name:Navitimer 01Gender:MensModel:AB012721-BD09-761P-A20D.1Watch Label:Swiss MadeMovement:AutomaticEngine:Breitling Calibre 01Power Reserve:70 hoursFeatures Water Resistance:30 meters / 100 feetCalendar:Date display between 4 and 5 o'clock positionFunctions:Chronograph, Chronometer, Date, Hour, Minute, SecondWatch Features:Chronograph, Stainless Steel, Leather, Chronometer, AnalogAdditional Info Watch Style:LuxuryWarranty:2 Year Goldia WarrantyUPC Code:845960068710Goldia Sku:BTAB012721-BD09BKCDDepartment:WatchesCategory:Watches