1mm. Even though AP promoted the watch as “Excess-Thin,” followers ongoing to confer with it as “Jumbo” specified its 39mm scenario. Other slight variations bundled a switch from a white date wheel to some black Edition to 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/