The Ultra-Thin Piaget Altiplano 38mm 900P

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The definition of ultra-thin just got a new meaning when Piaget introduced their Altiplano 38mm 900P timepiece earlier today. It is the world’s thinnest mechanical watch with a hand-wound movement. A watch that merely measures 3.65mm in height. The 900P reference finds it roots in the very first ultra-thin movement made by Piaget in 1957, caliber 9P. Piaget has a thing going on for ultra-thin watches, that’s for sure. Since 1957, Piaget has developed and manufactured 23 ultra-thin calibres (out of the 35 movements that they developed and produced in-house). 12 of these ultra-thin movements has set new records […]
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It's too bad most people think Piaget is just an upscale fashion brand because they make some excellent watches. My 1961 reference 912 is only 6.1 mm thick and that's with a domed crystal.

Their new Altiplano is insanely thin. I have the previously thinnest watch - the AP Classique. Mine is from 1969 and measures 4.03 mm thick with the caliber 2003. Gotta go check out the new Piagets. I hope they make this in red gold with a black dial.
 
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6.1mm? Dennis that's practically a fatty!
 
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6.1mm? Dennis that's practically a fatty!


The caliber 9P is only 2 mm thick. It's the domed crystal that takes up nearly 2 mm of the height.
 
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That watch look awesome! I like the open dial of this watch.