Name: IWC watchmaker carefully assembles the Big Pilot Perpetual Calendar ProSet® Le Petit Prince.
Uploaded: 2026-05-17T10:00:36.000Z
Duration: 2 min 28 s
Description: The ProSet® system runs entirely on gears, automatically adapting to every calendar variation while allowing forward and backward adjustment through a single crown. Inside, long-term precision is pushed even further, with a moon phase accurate to over a millenium. Find the full content in the video section of our profile. Ref. IW339601 #IWCschaffhausen #Watches #LuxuryWatches #IWC #Asmr

The ProSet® system runs entirely on gears, automatically adapting to every calendar variation while allowing forward and backward adjustment through a single crown. Inside, long-term precision is pushed even further, with a moon phase accurate to over a millenium. Find the full content in the video section of our profile. Ref. IW339601 #IWCschaffhausen #Watches #LuxuryWatches #IWC #Asmr