1mm. Even though AP marketed the watch as “More-Thin,” admirers continued to consult with it as “Jumbo” provided its 39mm circumstance. Other slight modifications incorporated a swap from a white day wheel to a black Model within the blue and black dials along with the addition of the double-deployant clasp https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/