1mm. Even though AP marketed the watch as “Excess-Thin,” enthusiasts continued to confer with it as “Jumbo” specified its 39mm case. Other slight variations integrated a swap from a white day wheel to some black version to 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/