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

[WTS] Vintage Fortis 610.22.158.1 Official Cosmonauts Blue Fume Dial Automatic Watch - $695

Vintage Fortis 610.22.158.1 Official Cosmonauts Blue Fume Dial Automatic Watch - $695

Fortis - 610.22.158.1 · $695
This Vintage Fortis 610.22.158.1 Official Cosmonauts Watch features a Mechanical (Automatic) movement and comes with a Fortis leather strap. The watch has been recently serviced, with some scratching on the Anti-Reflection coating of the crystal.

  • Condition: Used
  • Movement type: Mechanical (Automatic)
  • Straps: Fortis leather
  • Box: Generic
Posted at
Jun 18, 2025, 9:47 PM
Active
[WTS] Fortis Cosmonauts Chronograph 602.22.142 Extras $1790

Fortis Cosmonauts Chronograph 602.22.142 Extras $1790

Fortis - 602.22.142 · $1,790
A Fortis Cosmonauts Chronograph, issued for the Russian Cosmonauts Agency, featuring a Lemania 5100 chronograph movement and a sandblasted stainless steel case. The watch has a black matte dial with cream roman numerals and tritium lume.

  • Condition: great condition, signs of wear but no deep dings or scratches
  • Case dimensions: 38mm diameter, 20mm lug width, 46mm lug-to-lug, 13.75mm thickness
  • Movement type: Lemania 5100 chronograph movement
  • Strap material: brand new light brown 20mm genuine leather made by Fluco
Posted at
Jun 16, 2025, 9:37 AM
Active
[WTS] Fortis Cosmonauts Chronograph 602.22.142 Extras $1800

Fortis Cosmonauts Chronograph 602.22.142 Extras $1800

Fortis - 602.22.142 · $1,800
A Fortis Cosmonauts Chronograph with a sandblasted stainless steel case and a black matte dial, powered by the Lemania 5100 chronograph movement.

  • Condition: Great condition
  • Case Dimensions: 38mm diameter, 46mm lug-to-lug, 13.75mm thickness
  • Lug Width: 20mm
  • Movement: Lemania 5100 chronograph movement
Posted at
Jun 9, 2025, 9:23 AM
Active