1mm. Even though AP marketed the watch as “Added-Thin,” enthusiasts ongoing to make reference to it as “Jumbo” provided its 39mm circumstance. Other slight changes incorporated a swap from a white date wheel to some black Variation about the blue and black dials plus the addition of a double-deployant clasp https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/