1mm. Even though AP marketed the watch as “Added-Thin,” supporters ongoing to confer with it as “Jumbo” offered its 39mm scenario. Other slight alterations integrated a change from a white day wheel to some black Variation over 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/