Chronomaster

Produced from 2012 to 2023, this Chronomaster is a 42 mm stainless steel reference rated to 100 m, powered by the El Primero 4021 automatic at 36,000 vph with a 50-hour reserve. It was offered across the full dial spectrum — black, silver, blue, tri-color, openworked, and panda — on a strap or…

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