1mm. Though AP marketed the watch as “Added-Thin,” lovers ongoing to confer with it as “Jumbo” given its 39mm case. Other slight adjustments provided a change from a white day wheel to the black Edition around the blue and black dials along with the addition of a double-deployant clasp to https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/