18kt yellow gold case and bracelet. Fixed 18kt yellow gold diamond-set bezel. Silver dial with gold-tone hands and diamond hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands. Date display at the 3 o'clock position. Omega Calibre 8501 Automatic movement, based upon Omega 8500, containing 39 Jewels, bitting at 25200 vph, and has a power reserve of approximately 60 hours. Scratch resistant sapphire crystal. Transparent see through case back. Round case shape, case size: 38 mm. Band width: 25 mm. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second, co-axial escapement, chronometer, magnetic resistant. Constellation Series. Luxury watch style. Watch label: Swiss Made. Omega Constellation Automatic Chronometer Diamond Silver Dial Men's Watch 123.55.38.21.52.008.specs:Case Case Size:38 mmCase Material:18kt Yellow GoldCase Shape:RoundCase Back:Transparent See ThroughBand Band Material:18kt Yellow GoldBand Type:BraceletBand Width:25 mmDial Dial Color:SilverType:AnalogCrystal:Scratch Resistant SapphireHands:Gold-toneDial Markers:DiamondSecond Markers:Minute Markers around the outer rimLuminiscence:HandsBezel:FixedBezel Color:18kt Yellow GoldBezel Material:Diamond-SetInformation Brand:OmegaSeries:ConstellationCollection Name:ConstellationGender:MensModel:123.55.38.21.52.008Watch Label:Swiss MadeMovement:AutomaticEngine:Omega Calibre 8501Power Reserve:60 hoursFeatures Water Resistance:100 meters / 330 feetCalendar:Date display at the 3 o'clock positionFunctions:Date, Hour, Minute, Second, Co-Axial Escapement, Chronometer, Magnetic ResistantWatch Features:Diamond, Gold, Chronometer, AnalogAdditional Info Watch Style:LuxuryWarranty:4 Year Goldia WarrantyUPC Code:683498470267Goldia Sku:OM12355382152008Department:WatchesCategory:Watches