1mm. When AP marketed the watch as “Further-Thin,” admirers continued to confer with it as “Jumbo” given its 39mm case. Other slight variations integrated a switch from a white day wheel to some black Edition about the blue and black dials and also the addition of the double-deployant clasp to https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/