Portal:Anniversaries/March 18
- 1919 — Baume & Mercier is legally established in Geneva.
- 2010 — Rolex shows the Submariner Ref. 116610 at BaselWorld.
- 2010 — Seiko announces that the Grand Seiko brand will be launched internationally, 50 years after the original launch in Japan.
- 2015 — TAG Heuer released the Carrera Calibre Heuer 01, officially re-branding their Cal. 1887 as Cal. Heuer 01.