Case material: Steel; Charge: Automatic; Conditions: New Presentation condition : Without documents; Model: Timewalker Price on request Gmtbroker Reference: 105077 steel, black dial, smooth bezel, sapphire crystal, automatic movement, chronograph, flyback function (different measurements in two clicks instead of four in a chronograph normal), small seconds at six, date at nine, luminescent indicators in dial and handles, crown with Montblanc logo, transparent caseback, diameter 43 mm, waterproof 30 meters, black leather strap, folding clasp, year 2012.