1mm. Although AP promoted the watch as “Added-Thin,” followers ongoing to confer with it as “Jumbo” given its 39mm scenario. Other slight adjustments integrated a switch from a white date wheel to some black Model around 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/