1mm. Even though AP marketed the watch as “Added-Thin,” enthusiasts ongoing to check with it as “Jumbo” given its 39mm situation. Other slight improvements included a switch from a white date wheel to your black Variation within the blue and black dials along with the addition of a double-deployant clasp https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/