1mm. Whilst AP marketed the watch as “Excess-Thin,” supporters ongoing to make reference to it as “Jumbo” presented its 39mm scenario. Other slight modifications incorporated a swap from a white date wheel to some black Model on the blue and black dials as well as addition of a double-deployant clasp https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/