1mm. Although AP marketed the watch as “Additional-Thin,” admirers continued to confer with it as “Jumbo” given its 39mm situation. Other slight changes bundled a switch from a white day wheel to some black Model on the blue and black dials and also the addition of a double-deployant clasp on https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/