White platinum case with black alligator leather strap, fixed white platinum bezel. Black dial features dauphine-style hands (white) and index hour markers. Minute markers on outer rim. Analog dial type including date display, day of the week indicator, annual calendar function, small seconds subdial. Equipped with Patek Philippe Calibre CH 28-250 QA 24H automatic movement containing 37 jewels (composed of 402 parts), beating at 28800 vph (4Hz) frequency, offering approximately 55 hours power reserve. Sapphire crystal provides scratch resistance and clarity. Transparent case back allows viewing of the mechanical movement. Round case shape in white platinum with diameter 42 mm secured by tang clasp. Water resistant to 30 meters / 100 feet depth. Functions: annual calendar, chronograph (flyback), date hand, day hand/night indicator (if present based on model - requires confirmation), month display, second hand, minute markers, hours and minutes via central dials. Belongs to the Complications Series. Swiss Made luxury watch.