1mm. Though AP marketed the watch as “More-Thin,” fans continued to seek advice from it as “Jumbo” given its 39mm case. Other slight alterations bundled a change from a white date wheel to your black version around the blue and black dials as well as addition of the double-deployant clasp https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/