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Last year, AP bid farewell to one of its most historic movements. In 1978, the Caliber 2120/2800 was announced as the world's thinnest perpetual calendar. It became the base for all AP QPs, and link the caliber was modified and improved for 46 years before its (second to) last ride as the Caliber 5134 in John Mayer's Limited Edition Royal Oak. But the perpetual calendar link is AP's most iconic complication, link so there was no doubt they'd have something new coming. The day is finally here.

Chaykin's Joker features a unique take link on the wandering hours and minutes display. The watch's dial consists link of the entire face of a specific person or character in this instance a clown and the hour and minute displays link are placed in the position of the eyeballs. The pupils rotate to indicate the time on either a 12-hour or 60-minute scale. The lower half of the dial consists of a moon phase placed within an aperture designed to look like a Glasgow smile.