1mm. When AP marketed the watch as “Added-Thin,” enthusiasts ongoing to confer with it as “Jumbo” presented its 39mm circumstance. Other slight improvements bundled a swap from a white date wheel into a black version to the blue and black dials as well as the addition of a double-deployant clasp https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/