Grand Seiko · 2 October 2026
Grand Seiko 9SA4: why a wagtail lives inside the calibre
Start with a new manual calibre that makes winding a noticeable part of the experience.
3 min readRead article ↗
Engineering / 5 articles
Unusual calibres
Five engineering answers to displaying time and storing energy, from manual winding to micro-rotors and constant force.
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Oris · 4 October 2026
Oris Calibre 400: why an automatic needs two barrels and five days of power
Two barrels and five days: practical autonomy as an engineering goal.
4 min readRead article ↗ - 03
Czapek Genève · 1 October 2026
Czapek SXH5: seven bridges and a platinum micro-rotor
A micro-rotor reveals the movement’s architecture and finishing.
3 min readRead article ↗ - 04
F.P.Journe · 3 October 2026
F.P.Journe 1510: a small spring with a big job
A remontoire shows why the balance benefits from more even energy delivery.
4 min readRead article ↗ - 05
Ulysse Nardin · 29 September 2026
Ulysse Nardin Freak ONE Blue Enamel: a carousel over blue enamel
The finale: the movement itself takes part in displaying time.
2 min readRead article ↗
After this route
Each solution has a purpose. Compare the movement’s idea with what it changes for its wearer.
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