1mm. Although AP marketed the watch as “Added-Thin,” admirers continued to consult with it as “Jumbo” given its 39mm scenario. Other slight modifications involved a switch from a white date wheel into a black Model on the blue and black dials along with the addition of the double-deployant clasp to https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/