Chronomaster

This 40 mm stainless steel Chronomaster runs the El Primero 400 automatic at 36,000 vph with a 50-hour reserve, offered across the full spread of dial options — black, silver, blue, tri-color, openworked, and panda. It is finished on a leather strap and rated to 50 m. The 400 calibre and 40 mm…

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