1mm. Although AP marketed the watch as “Further-Thin,” admirers continued to consult with it as “Jumbo” given its 39mm case. Other slight improvements integrated a change from a white day wheel to some black Variation about the blue and black dials as well as addition of a double-deployant clasp to https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/