Omega Sun-Brushed Chestnut Automatic Watch # 424.23.40.21.13.001 (Men Watch). Band Color : Brown. Dial Color : Sun-Brushed Chestnut. Display Type : Analog. Item Shape : Round Shape. Band Material : Leather. Case Size Diameter : 39.5 millimetres. Case Material : 18 Carat Rose Gold. Bezel Material : Fixed. Bezel Function : Fixed. Crystal : Scratch Resistant Sapphire. Water Resistant Depth : 30 meters / 100 feet meters. Movement Type : Automatic. Calendar Type : Date. Model Number:424.23.40.21.13.001 424.23.40.21.13.00 424.23.40.21.13.0 424.23.40.21.13..