1mm. Whilst AP promoted the watch as “Added-Thin,” admirers continued to check with it as “Jumbo” specified its 39mm case. Other slight changes involved a swap from a white date wheel to your black Model about the blue and black dials along with the addition of the double-deployant clasp on https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/