1mm. While AP marketed the watch as “Excess-Thin,” enthusiasts ongoing to refer to it as “Jumbo” supplied its 39mm case. Other slight alterations integrated a change from a white day wheel to some black Edition within the blue and black dials as well as the addition of the double-deployant clasp https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/