Specifications : Analog quartz Movement Ronda 715 Case Size : Height : 12 mm Diameter : 43 mm Lug width : 21 mm Weight : 120 g Bezel finish : Polished Bezel material : Stainless steel Bracelet material : Rubber Case back material : Stainless steel Case material : Stainless steel Dial finish : Grainy Case color : Black Bezel color : Black Dial color : Black Bracelet color : Black Screw-in case back Anti-reflecting Sapphire glass crystal Date Display Regular buckle Screw down crown Unidirectional rotating bezel Luminescent hands and numerals Water resistance : 20 ATM