1mm. Even though AP marketed the watch as “Additional-Thin,” supporters continued to confer with it as “Jumbo” offered its 39mm case. Other slight alterations included a change from a white date wheel to your black version around the blue and black dials plus the addition of the double-deployant clasp to https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/