The Patek Philippe Grand Complication Ref 5207 comes with 950 platinum 41mm diameter case. It uses sapphire crystal. It has a diamond of about 0.2 carat between the lugs at 6. The dial is made of 18k gold and the hour markers are in 18k white gold.

There are 548 parts and 35 jewels. It uses the Caliber R TO 27 PS QI that is a manually wound mechanical movement that comprises of tourbillon, minute repeater, and instantaneous perpetual calendar. Its five display apertures includes day of week, date, month, leap-year cycle, day/night indicator, moonphase, and seconds subdial. Its power reserve is up to 48 hours.
The frequency is at 21,600 vibrations per hour or 3 Hz. It uses the Gyromax balance with Breguet balance spring that has a movable balance spring stud. The tourbillon cage is made of steel that has 69 parts and is on one axis with balance and fourth wheel.
The Patek Philippe Grand Complication Ref 5207 uses a crown that has dual positions where pullin it out sets the time and pushing it in winds the watch. Its central dauphine hands made of 18k white gold indicates the hours and minutes. Another subdial baton (also 18k white gold) hand for the seconds is located at 6. It has the distinctive Geneva Seal at the back of the watch.
The different apertures are day of week at 10 and 11; the date at 12; the month at 1 and 2 (these three apertures are in white gold frame); the moon phase at 6, day/night indicator at 7 and 8; the leap year cycle at 4 and 5.
Its corrector push pieces are positioned at 11 and 12 (Day); 6 and 7 (date); 12 and 1 (month); 5 and 6 (moonphase). The minute repeater makes a small strike for the hour on the first gong, minutes on the second gong, and the quarter hours on both gongs. Its strap is made of shiny brown alligator with rectangular scales, hand stitched and a 16mm prong buckle in platinum.
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