1mm. Although AP marketed the watch as “Further-Thin,” enthusiasts continued to seek advice from it as “Jumbo” provided its 39mm circumstance. Other slight alterations integrated a switch from a white day wheel to some black Model on 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/