38mm 18K white gold case with a thickness of 11mm, sapphire crystal caseback, blue-grey dial with vertical and horizontal satin finish in shantung pattern, applied numerals in white luminescent coating material, sandblasted white gold leaf-shaped hands with white luminescent coating, day and month displayed by hands, date in aperture, moon phases, Patek Philippe calibre 26-330 S QA LU self-winding movement with 319 parts and 34 jewels, annual calendar with day month date moon phases and sweep seconds, Gyromax balance and Spiromax balance spring, operating at 28800 semi-oscillations per hour, minimum 35 hours to maximum 45 hours of power reserve with 21K gold central winding rotor, blue-grey calfskin denim-pattern strap with white gold prong buckle. Water resistant to 30 metres / 100 feet. Patek Philippe Seal certified.