The Rolex Day-Date 40 replaced the Rolex Day-Date II, case size went from 41 to 40 mm. New, updated President bracelet; coupled with the all new Rolex 3255 caliber. With over 90% of the movement parts have been redesigned and optimized & 14 Rolex patents and numerous improvements; a remarkable -2 to +2 seconds per day accuracy! 70 hours power reserve. Platinum case in 40mm. Priced at 59,600.00CHF