The Zenith Chronomaster Sport 95.3100.3600/39.M3100 in 2024. This Chronomaster has a full titanium case -including the engraved bezel- and a nickel-grey dial. This watch is powered by the El Primero 3600 automatic high-frequency chronograph movement with 1/10th of a second chronograph function and a power reserve of 60 hours. The total weight is down approximately 30% compared to the stainless steel version.