1mm. Even though AP marketed the watch as “Extra-Thin,” admirers ongoing to consult with it as “Jumbo” provided its 39mm circumstance. Other slight variations integrated a change from a white date wheel to a black Edition within the blue and black dials along with the addition of the double-deployant clasp https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/