Concord Delirium Men's 18k Gold Automatic Watch

Concord Delirium men's watch case is made of 18-karat yellow gold Automatic watch features a classic silver dial Stylish watch also features a black leather strap Chronograph feature on dial Date display at 4 o'clock Rectangular shaped case Sapphire crystal Pin buckle Swiss automatic movement Water resistant Swiss made Display back Case measures: 34 mm wide x 39 mm high Band measures: 18 mm wide x 8 inches long All measurements are approximate and may vary slightly from the listed dimensions. Men's watch bands can be sized to fit 7.5-inch to 8.5-inch wrists. This watch is powered by automatic movement which means the winding of the spring occurs automatically when the wearer moves his arm. However, it is recommended that you manually wind the watch at least once every two weeks. It is also important to adjust the time once a month as automatic movement can gain or lose a few minutes per month.