MODEL: 16760 S/NO: "842xxxx" SERIES Chronometer in a steel case 40mm, bidirectional rotative faded bezel, for the reading of the second 24-hour time zones, bi-colored to obtain a better distinction of the diurnal and nocturnal hours. Case with shoulders protecting the winding crown. Automatic movement, rolling date, and acrylic crystal. (Discontinued model, highly collectible). Rolex original stainless steel oyster bracelet. Note that the dial has turned to a chocolate brown color with a very matching patina color, case is in tip-top condition, only hairlines no ding hole, must see it to appreciate this beauty.