Silver-tone stainless steel case with a black leather strap. Bi-directional rotating slide rule silver-tone stainless steel bezel. Black dial with silver-tone hands and index hour markers. Slide rule aka navigation computer around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display between 4 and 5 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Breitling Calibre 01 automatic movement with a 70-hour power reserve. Scratch resistant sapphire crystal. Skeleton transparent exhibition see through case back. Round case shape, case size: 46 mm, case thickness: 14.5 mm. Deployment clasp. Water resistant at 30 meters / 100 feet. Functions: chronograph, chronometer, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Breitling Navitimer 01 46 MM Chronograph Navitimer Steel Men's Watch AB012721-BD09BKLD.specs:Case Case Size:46 mmCase Thickness:14.5 mmCase Material:Stainless SteelCase Shape:RoundCase Back:Skeleton Transparent Exhibition See ThroughBand Band Material:LeatherBand Type:StrapBand Color:BlackClasp:DeploymentDial Dial Color:BlackType:AnalogCrystal:Scratch Resistant SapphireHands: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 SteelInformation Brand:BreitlingSeries:NavitimerCollection Name:Navitimer 01 46 mmGender:MensModel:AB012721-BD09-442X-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 WarrantyGoldia Sku:BTAB012721-BD09BKLDDepartment:WatchesCategory:Watches