1mm. Even though AP promoted the watch as “Added-Thin,” enthusiasts continued to confer with it as “Jumbo” given its 39mm situation. Other slight changes incorporated a switch from a white date wheel to your black Model 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/