1mm. Though AP marketed the watch as “Additional-Thin,” lovers continued to consult with it as “Jumbo” specified its 39mm case. Other slight improvements bundled a swap from a white day wheel to a black Model over the blue and black dials and also the addition of the double-deployant clasp to https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/