1mm. Even though AP promoted the watch as “Added-Thin,” fans continued to make reference to it as “Jumbo” provided its 39mm case. Other slight alterations bundled a swap from a white date wheel to your black Variation on the blue and black dials plus the addition of a double-deployant clasp https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/