Bremont Altitude Perpetual Calendar GMT vs RZE Fortitude
The Bremont Altitude Perpetual Calendar GMT and the RZE Fortitude are both titanium pilot watches. This is a side-by-side of their case size, weight, titanium grade, movement, water resistance, and price, drawn from the verified specs in the Titanium Field Guide.
| BremontAltitude Perpetual Calendar GMT | RZEFortitude | |
|---|---|---|
| Price | $38,450 | $599 |
| Case diameter | 42.0 mm | 41.0 mm |
| Thickness | 12.65 mm | 12.45 mm |
| Lug-to-lug | 49.62 mm | 48 mm |
| Water resistance | 100 m | 100 m |
| Weight | – | – |
| Titanium grade | Grade 2 | Grade 2 |
| Surface treatment | Satin and polished | UltraHex coating |
| Movement | Manual | Automatic |
| Power reserve | 50 h | ~41 h |
| Complications | Perpetual calendar, GMT, Date | Date |
| Crystal | Sapphire (Glass Box) | Sapphire, inner AR |
| Bracelet / strap | Titanium bracelet or leather | Titanium bracelet (UltraHex) |
| Origin | United Kingdom | Singapore |
| Confidence | High | High |
Full details: Bremont Altitude Perpetual Calendar GMT · RZE Fortitude
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