1mm. Whilst AP marketed the watch as “Excess-Thin,” enthusiasts ongoing to consult with it as “Jumbo” supplied its 39mm situation. Other slight adjustments involved a change from a white day wheel to the black version around 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/