Family: ColtName: Colt Chronograph Automatic Stainless Steel / Mariner Blue / RubberLimited: NoCaseMaterial: Stainless steelBezel: Rotating, 0-60 (Dive)Glass: SapphireBack: ClosedShape: Roundv Diameter: 44.00 mmHeight: 14.70 mmLug Width: 22.00 mmW/R: 200.00 mDial Nickname: MarinerColor: BlueIndexes: Stick / DotHands: StickMovementBreitling's bread & butter, tried & tested chronograph movement. Based on Valjoux / ETA 7750. Versions with both date as well as day & date exist; most of the B13 however only display the date.Type: AutomaticBrand: BreitlingCaliber: B13Base: ETA 7750Display: AnalogDiameter: 30.00 mmJewels: 25Reserve: 42 hFrequency: 28800 bphTime: Hours, Minutes, Small SecondsDate: DateChronograph: ChronographMore watches using the Breitling B13 caliberDescriptionEquipped with Breitling's well-known B13 movement, the Colt Chronograph Automatic reinterprets all the key assets of the Colt collection, which is born for action, feats and thrills. The 44 mm-diameter polished steel case is water-resistant to 200 m (660 ft) and fitted with a large screw-locked crown complete with protective reinforcements. The black, blue or silver dials are enlivened by a fine circular raised motif, while their readability is reinforced by oversized hands and hour-markers, enhanced by a luminescent coating.