Fortis / Marinemaster
Fortis Marinemaster
Collection profile · 1954
Fortis’s dive-oriented tool-watch collection, positioned as one of the brand’s oldest lines and engineered for underwater durability, modern grip, and high-performance daily wear with 300m to 500m water resistance across the current range.
Why it matters
Marinemaster is the collection that most clearly expresses Fortis’s long-form tool-watch philosophy outside space and aviation: a durable, legible dive instrument with modern materials, a distinctive Gear Bezel, and genuine professional-grade water resistance.
Key references
Collection timeline
- 1954 — Fortis states it has been building the Marinemaster since 1954.
- 2021 — Fortis introduced a refreshed Marinemaster collection with M-40 and M-44 models in nature-inspired colorways.
- 2026 — Fortis launched the first Marinemaster with DLC coating, extending the line’s durability story.
FAQ
How deep is the Marinemaster rated?
The current official collection page shows the M-40 at 300m and the M-44 at 500m.
What defines the Marinemaster visually?
The Gear Bezel, bold colorways, and a robust modern tool-watch profile are the collection’s clearest identifiers.
More from Fortis
- Cosmonauts — The official watch of the Russian space programme since 1994, worn on the Mir space station and ISS.
- Flieger — Fortis’s pilot-watch collection, built around maximum legibility, mission-focused robustness, and aviation-specific features like second-time-zone bezels and pilot collaboration cues, positioning it as the brand’s cleanest modern flight instrument line.