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IWC watchmaker carefully assembles the Big Pilot Perpetual Calendar ProSet® Le Petit Prince.

IWC Schaffhausen · 2026-05-17 · 2:28

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Official IWC Schaffhausen playlist «IWC WATCH ASSEMBLY.» on YouTube.

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
Description by IWC Schaffhausen on YouTube

swisswatchexperts.com · Watch on YouTube · IWC Schaffhausen channel · All videos

About IWC Schaffhausen

This video was published on 2026-05-17 on the official IWC Schaffhausen YouTube channel and belongs to the playlist “IWC Schaffhausen – IWC WATCH ASSEMBLY.”. Founded in 1868, IWC Schaffhausen has its headquarters in Schaffhausen. Today it belongs to Richemont. Other IWC Schaffhausen collections that appear in the videos: IWC Aquatimer, IWC Portugieser and IWC Big Pilot.

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