1mm. While AP promoted the watch as “Extra-Thin,” enthusiasts ongoing to check with it as “Jumbo” presented its 39mm case. Other slight adjustments involved a swap from a white day wheel to a black Model on the blue and black dials as well as addition of a double-deployant clasp to https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/