18K white gold case, luminous silver-tone hands with Roman numeral hour markers on ivory dial, bi-directional rotating bezel in yellow gold, annual calendar function including date display through sapphire crystal window, subdials for hours, minutes (including month indicator), and second timezone functions, automatic movement powered by Calibre 9001 mechanism with 72-hour power reserve, sapphire crystal resistant to scratches, screw-down crown, solid case back, round shape measuring 42 mm in diameter, water resistance up to 100 meters or 330 feet, Oyster clasp closure.