1mm. Whilst AP marketed the watch as “Extra-Thin,” lovers continued to check with it as “Jumbo” given its 39mm case. Other slight alterations bundled a switch from a white date wheel into a black version within the blue and black dials as well as addition of a double-deployant clasp towards https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/