Fortis Cosmonaut Official Cosmonauts Chronograph Monolith
Reference 638.18.31
About this watch
The Fortis 638.18.31 is a robust tool that combines functionality, style, and a sprinkle of space adventure. This Swiss brand has carved out a niche for itself in the universe of aviation and space watches, so it’s no surprise that they’ve been the official timekeeper for astronauts. The watch features a sleek black PVD coating, Arabic numeral indexes, and stick hands ensuring readability. It's powered by the ETA caliber 7750, an automatic movement renowned for its reliability and precision. With a water resistance of 200 meters, this watch is more than capable of handling aquatic adventures. Its closed back adds a touch of mystery to the watch, allowing the external beauty to shine without revealing too much inside. The Fortis 638.18.31 features a lug width of 20 mm, making it versatile enough for both adventurous outings and formal occasions.
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Key Features
- Automatic ETA movement with 25 jewels and 42-hour power reserve
- 200m water resistance for aquatic adventures
- Rotating bezel with 0-60 scale for tracking elapsed time underwater
- Black PVD coating for a sleek, modern look
- Arabic numeral indexes and stick hands for readability
- Robust and durable design for everyday wear
Specifications
- Brand
- Fortis
- Family
- Cosmonaut
- Model
- Official Cosmonauts Chronograph Monolith
- Reference
- 638.18.31
- Movement
- 7750
- Movement Features
-
- Hours, Minutes, Small Seconds
- Date, Day
- Chronograph
- Case
- Stainless Steel 42mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 200
Current Listings
FORTIS _____ B42 Mars 500 ORANGE _____ ** Limited Edition ** _____ 647.28.13.L.13 ___ B 42 watch Cosmonaut Marinemaster
A Fortis B42 Mars 500 watch with an orange color scheme and incredible lume, coming with a complete package including inner and outer box, instruction, patch, and warranty card.
- Condition: Gently used, 93%
- Case size: 42mm
- Movement: B42
- Water resistance: 500m
$999 _____ FORTIS _____ B42 Mars 500 ORANGE _____ ** Limited Edition ** _____ 647.28.13.L.13 ___ B 42 watch Cosmonaut Marinemaster
This Fortis B42 Mars 500 is a limited edition watch with an orange color and incredible lume. It comes with a complete package, including inner and outer box, instruction, Mars 500 patch, and Limited warranty card.
- Condition: 93% gently used condition
- Case diameter: 42mm
- Strap type: leather