Stainless steel case and stainless steel bracelet. Fixed stainless steel bezel. Black dial with luminous silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Omega calibre 2500 automatic movement, based upon ETA 2892-A2, containing 27 Jewels, bitting at 25200 vph, and has a power reserve of approximately 48 hours. Scratch resistant sapphire crystal. Pull / push crown. Skeleton case back. Round case shape. Case size: 35 mm. Case thickness: 10 mm. Band width: 23 mm. Fold over clasp with a push button release. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second, co-axial escapement, chronometer. Constellation Chronometer Series. Luxury watch style. Watch label: Swiss Made. Item Variations: 12310352001001. Omega Constellation Chronometer Black Dial Men's Watch 123.10.35.20.01.001.specs:General Color:Black / SkeletonCase Case Size:35Case Thickness:10 mmCase Material:Stainless SteelCase Shape:RoundCase Back:SkeletonBand Band Material:Stainless SteelBand Type:BraceletBand Color:Silver-toneBand Width:23 mmClasp:Fold Over with Push Button ReleaseDial Dial Color:BlackType:AnalogCrystal:Scratch Resistant SapphireHands:Luminous Silver-toneDial Markers:IndexSecond Markers:Minute Markers around the outer rimLuminiscence:Hands and MarkersBezel:FixedBezel Color:Silver-toneBezel Material:Stainless SteelCrown:Pull / PushInformation Brand:OmegaSeries:Constellation ChronometerCollection Name:Constellation ChronometerGender:MensModel:123.10.35.20.01.001Watch Label:Swiss MadeMovement:AutomaticEngine:Omega Calibre 2500Power Reserve:48 hoursFeatures Water Resistance:100 meters / 330 feetCalendar:Date display at the 3 o'clock positionFunctions:Date, Hour, Minute, Second, Co-Axial Escapement, ChronometerWatch Features:Stainless Steel, Chronometer, AnalogAdditional Info Watch Style:LuxuryWarranty:4 Year Goldia WarrantyUPC Code:7612586179815Goldia Sku:OM12310352001001Item Variation:12310352001001Department:WatchesCategory:Watches