Rolex Day Date Yellow Gold German Dial 6611Amtlich Geprft is Officially Certified Rare is a phrase that is maybe overused in the watch world, but today we have something that is both rare and interesting! This is a lovely example of an early Day Date reference 6611 yellow gold .. The text Superlativer Chronometer (note ther on the end of the first word) is followed by Amtlich Geprft instead of Officially Certified. Most Day Dates have the words official certified chronometer or later ones