Watch Reviews

AP’s Jules Audemars Extra-Thin Watches: What A Difference 1.55 mm Makes

by on Nov.16, 2010, under Review

What does 1.55 millimeters look like?  It doesn’t look like much at all.  In fact, a US regulation quarter is 1.75mm thick.  Now consider this: the Audemars Piguet Jules Audemars Extra-Thin watch features a self-winding movement that is only 2.45mm thick, less than two quarters stacked on top of each other.  The entire watch is only 6.7mm thick. 

Then, consider AP’s Jules Audemars Perpetual Calendar, a watch with a movement that consists of 355 separate components and doesn’t require setting until March 1st, 2100.  So if you are adding the functionality of a perpetual calendar to a 2.45mm thick movement (that’s 141 additional components, btw) how much do you think that would add? Probably a lot, right?

Typically you’d be right, but here, the base 2120 caliber becomes a perpetual calendar with only the addition of 1.55mm in depth, less than one quarter’s thickness.  So, the entire perpetual calendar movement is only 4mm thick, just over the height of two quarters stacked on top of each other.  Think about that, say to yourself “no way,” and then come to your senses and realize Hodinkee would never lie to you. 

Click here for more details on the Jules Audemars Perpetual Calendar, a 355 component watch with a movement about as thick as your esophageal wall.

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