1mm. When AP marketed the watch as “More-Thin,” enthusiasts ongoing to make reference to it as “Jumbo” specified its 39mm situation. Other slight improvements bundled a switch from a white day wheel to the black Edition over the blue and black dials and also the addition of the double-deployant clasp https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/