This Diesel Mega Chief chronograph features an iridescent with black stick indexes and three sub dials, chronograph movement and concrete bracelet.Case Size: 51 mmCase Thickness: 18 mmWater Resistance: 5 ATMCase Material: Stainless steel,otherCase Finish: MatteAttachment Material: Stainless steel, otherAttachment Color: GrayClosure/Adjustability: 2 pusher foldover claspDial Color: SilverMovement: Quartz/chrono