1mm. When AP marketed the watch as “Extra-Thin,” enthusiasts continued to seek advice from it as “Jumbo” supplied its 39mm circumstance. Other slight variations included a change from a white date wheel into a black Variation around the blue and black dials and the addition of a double-deployant clasp to https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/