1mm. Although AP promoted the watch as “Excess-Thin,” fans continued to seek advice from it as “Jumbo” offered its 39mm scenario. Other slight alterations included a swap from a white date wheel into a black Model within the blue and black dials along with the addition of the double-deployant clasp https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/