Portugieser Chronograph 3714

AutomaticAutomaticA mechanical movement wound by a rotor as the watch moves on the wrist. chronographChronographA watch function for starting, stopping and resetting an elapsed-time measurement independently of the ordinary time display. that simplified the 3712: 40.9 × 12.6 mm, 47 mm lug to lug, applied Arabic numeralsApplied hour markersNumerals or hour markers attached above the dial surface, often by riveting. Applied describes their construction; it does not identify the metal or establish the originality of a vintage dial. A maker’s use of gold for its own markers should not be assumed for other brands., leaf hands, recessed 30-minute counter at 12 and small seconds at 6, no date. Made almost unchanged for about two decades and called IWC’s most successful watch.