1mm. Though AP marketed the watch as “Further-Thin,” supporters ongoing to consult with it as “Jumbo” provided its 39mm circumstance. Other slight changes integrated a swap from a white day wheel to some black Variation 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/