Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : Without documents; Model: Da Vinci Price on request Gmtbroker Reference: IW3764 steel, black dial, smooth bezel, sapphire crystal, automatic movement, power reserve of 68 hours, chronograph, small seconds at six, date display at six, luminescent dial indicators and handles, transparent caseback, screw crown and two buttons, diameter 43 mm, waterproof 30 meters, black leather strap, folding clasp.