Uploaded April 2026 | Updated September 2026, 2 weeks ago
Throwback to 2024.
IWC watchmaker Thomas Zimmermann at the bench, assembling the Portugieser Perpetual Calendar IW503703.
A movement of 385 parts, driven by the IWC-manufactured 52616 calibre and its 7-day power reserve.
A quiet demonstration of mechanical expertise.
Ref. IW503703
#IWCschaffhausen | #IWCwatches | #Watches | #LuxuryWatches | #IWC | #Watchmaking | #WatchAssembly | #Asmr
Throwback to 2024.
IWC watchmaker Thomas Zimmermann at the bench, assembling the Portugieser Perpetual Calendar IW503703.
A movement of 385 parts, driven by the IWC-manufactured 52616 calibre and its 7-day power reserve.
A quiet demonstration of mechanical expertise.
Ref. IW503703
#IWCschaffhausen | #IWCwatches | #Watches | #LuxuryWatches | #IWC | #Watchmaking | #WatchAssembly | #Asmr








![[Episode 2] The One with the Little Prince: the new IWC x Le Petit Prince Collection.
Some engineers have a more poetic side than others.
Aviator, humanist, and author of Le Petit Prince, Antoine de Saint-Exupéry was often dreaming of new horizons – proving that even among cockpit instruments, engines, and calculations, there was always room for wonder.
#TheEngineersSociety
#IWCwatches
#IWCpilot [Episode 2] The One with the Little Prince: the new IWC x Le Petit Prince Collection.](https://i.ytimg.com/vi/HNO1S5jv8kA/mqdefault.jpg)

