Fortress Black
Ref.: 2FOAS.B01A
The Graham Fortress is a bold, aviation-inspired chronograph that stands out with its 47mm stainless steel case and signature left-side trigger system for easy start/stop functionality. The black dial, featuring large luminous numerals and sword-style hands, ensures readability at a glance. Powered by a Swiss automatic movement, it delivers precise timing, while 100m water resistance adds everyday practicality. With its cockpit-inspired design and rugged build, this watch is a true statement piece for aviation enthusiasts.
Case Details
All the info on the case construction, dimensions, shape, and finishing.
- Case Diameter
- 47mm
- Lug-to-Lug Distance
- 55mm
- Lug Width
- 24mm
- Case Thickness
- 17.4mm
- Caseback Style
- Open Back
- Case Shape
- Round
- Case Material
- 316L Stainless Steel
- Case Finishing
- Brushed, Satin Polished
- Water Resistance
- 10 ATM
Movement Details
Technical specs and extras under the hood.
- Movement Type
- Automatic
- Movement Name
- Graham G1750
- Frequency
- 28,800 BPH
- Hacking Seconds?
- Yes
- Complications & Features
- Chronograph, Date
- Certifications
-
Chronofiable A8
Chronofiable A8 simulates long-term stress to test watch durability.
Learn more - Power Reserve
- 48 hours
- Jewels
- 25
- Shock Absorption
- Incabloc
Dial Details
Color, material, lume, and other dial features.
- Lume Type
- Super-LumiNova, Super-LumiNova Old Radium
- Dial Color
- Black
- Dial Characteristic
- Granulated
Crystal Details
Crystal material, type, and coatings.
- Crystal Material
- Sapphire Crystal
- Anti-Reflective Coating?
- Yes
Crown Details
Crown type and any additional crown functions.
- Crown Type
- Screw-Down
General Details
Brand, origin, price range, and more.
- Brand
- Graham
- Country of Origin
- Switzerland
- Watch Type
- Aviator / Pilot Dress
- Price Range (USD)
- $$$
