Fortis Cosmonaut Official Cosmonauts Chronograph

Reference 638.10.11

About this watch

The Fortis Cosmonaut 638.10.11 Official Cosmonauts Chronograph is an exceptional timepiece that embodies precision, adventure, and a touch of the cosmos. With its rich history entwined with space exploration, Fortis has crafted a watch that serves as both a reliable instrument for astronauts and a stylish accessory for watch enthusiasts on Earth. The ETA Caliber 7750 automatic movement powers this chronograph, featuring a 42-hour power reserve and 28,800 vibrations per hour. The black dial, adorned with Arabic numerals and stick hands, offers excellent legibility. The sapphire glass provides durability and scratch resistance, while the rotating bezel allows for easy tracking of elapsed time. With an impressive water resistance rating of 200 meters, this watch is a true diver's companion. The chronograph feature measures elapsed time up to 12 hours, making it perfect for sports enthusiasts and adventurers alike. The dual display feature keeps track of the date and day, ensuring you're never caught off-guard. This timepiece is built to withstand the rigors of both space travel and everyday wear, striking a perfect balance between presence and wearability. With its Swiss craftsmanship, robust features, and legacy tied to space exploration, this watch provides excellent value for its price.
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Key Features

  • High-quality automatic movement (ETA 7750)
  • Impressive water resistance (200m)
  • Scratch-resistant sapphire glass
  • Versatile design suitable for various occasions
  • Robust chronograph functionality
  • Limited to a stainless steel option

Specifications

Brand
Fortis
Family
Cosmonaut
Model
Official Cosmonauts Chronograph
Reference
638.10.11
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

FORTIS _____ B42 Mars 500 ORANGE _____ ** Limited Edition ** _____ 647.28.13.L.13 ___ B 42 watch Cosmonaut Marinemaster

Fortis - 647.28.13.L.13 · $1,199.001
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
Posted at
Apr 21, 2025, 10:28 AM
Active
$999 _____ FORTIS _____ B42 Mars 500 ORANGE _____ ** Limited Edition ** _____ 647.28.13.L.13 ___ B 42 watch Cosmonaut Marinemaster

$999 _____ FORTIS _____ B42 Mars 500 ORANGE _____ ** Limited Edition ** _____ 647.28.13.L.13 ___ B 42 watch Cosmonaut Marinemaster

Fortis - B42 Mars 500 · $999.01
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
Posted at
Apr 21, 2025, 10:28 AM
Active