Thirteen years on from the brand's first in-house caliber, the team at Armin Strom decided to completely rework that 7-day power reserve caliber, hence the name. The watch required a fair bit of imagination as the team wanted to bring forward more architectural aspects and add more depth to the main plate. Carrying forward the lessons learned from Mr. Armin Strom himself, Claude and Serge continue the legacy of not hiding the movement from the wearer.

This year Geneva Watch Days was punctuated by a very hot week preceding the event, and cool weather during Geneva Watch Days, itself. It really felt as though fall had arrived. Aside from the obvious seasonal changes, there were numerous changes I noticed from Geneva Watch Days 2022 to 2023 that really intrigued me.