Breitling Watch Chronomat 28 18k Red Gold Bracelet U72310531A1U1. On trend, yet timeless, the petite Chronomat 28 is the versatile sports chic watch for any occasion. These showstoppers have so much more to offer than just their trim new sizes. Mother of pearl in various shades and traceable lab grown diamonds combine with subtle refinements to give the timepieces a jewelry like appeal. Choose your case and Rouleaux bracelet style: from straight up stainless steel to mixed-metal duotone, all with a comfortable butterfly folding clasp. The Chronomat 28 is powered by the Breitling Caliber 72, a COSC certified SuperQuartz chronometer.