Portal:Anniversaries/March 30
- 2006 — The industry is surprised by the introduction of the Harry Winston Opus 6 at BaselWorld; Robert Greubel and Stephen Forsey developed the novel inclined tourbillon in just six months.
- 2006 — Seiko sets their sights on haute horology, introducing the Credor Spring Drive Sonnerie at Baselworld.
- 2017 — The first stone is laid for the radical new Audemars Piguet museum in Le Brassus. It would open in June 2020.