FOB men pocket watches antique mechanical watches BOAMIGO skeleton roman number watches copper star design clock reloj hombre * Movement :hand wind mechanical [Needtowind up everyday. fully winded, the power reserve of your watch can reach 12-24 hours] * Case diameter: about 4.6cm * Case Thickness: about 1.1cm * Case Material:alloy (Good quality, antique style) * Chain Material:alloy * Chain Length: about31cm * Daily Water resistant (not recomend to swim or take shower) * Average dai...