Automatic movement, Cartier Calibre 1904 CH MC mechanism, fixed bezel, interchangeable black rubber strap (deployment clasp), brushed and polished stainless steel case, satiny silver multi-tiered dial featuring black luminescent hands and Roman numeral markers, three sub-dials for seconds, minutes and hours plus date display at the 6 o'clock position, scratch-resistant sapphire crystal, square shape, dimensions: width/height ratio approximating a standard rectangular face but specified as case size 51.3mm by 43.3mm with thickness 12.5mm, solid case back