Stainless steel case with a black croco-embossed leather strap. Fixed stainless steel bezel. Black dial with silver hands and Arabic numerals hour markers. Minute markers around the outer rim. Luminescent hands and markers. 60 seconds sub-dial at the 6 o'clock position. Mechanical hand-wound movement. Scratch resistant antireflective sapphire crystal. Skeleton case back. Case diameter: 44 mm. Case thickness: 10 mm. Tang clasp. Water resistant at 30 meteres / 100 feet. Functions: hours, minutes, small seconds at 6. IWC Portuguese Hand-Wound Mens Watch IW545404.