Fortis Cosmonaut Official Cosmonauts Day-Date

Reference 647.10.11

About this watch

When it comes to watches that blend functionality with style, the Fortis 647.10.11 Official Cosmonauts Day-Date stands out like a shining star in the vast cosmos of horology. This timepiece is not just a watch; it's a statement of precision, durability, and a nod to the adventurous spirit of space exploration. Right out of the box, the Fortis Official Cosmonauts Day-Date makes an impression with its sleek packaging and substantial feel in hand. The black dial and stainless steel case are a perfect blend of form and function. The rotating bezel is not just for show; it's a functional tool for divers and adventurers. With a water resistance of 200 meters, this watch is designed to withstand the rigors of diving and other water sports. One of the standout features of the Fortis Official Cosmonauts Day-Date is its day-date complication, ensuring that you're always aware of the current day and date. The ETA caliber 2836-2 automatic movement is the heartbeat of the watch, keeping time with impeccable accuracy. With a frequency of 28,800 vibrations per hour and a power reserve of 38 hours, you can trust this watch to be reliable. Whether you're wearing it for a casual outing or a formal event, this watch fits right in. The Fortis Official Cosmonauts Day-Date is an investment that justifies its price point with its quality and craftsmanship.
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Key Features

  • ETA caliber 2836-2 automatic movement
  • Stainless steel case with rotating bezel
  • Water resistance of 200 meters
  • Day-date complication for practical functionality
  • Sapphire glass for scratch-resistant clarity
  • 42mm diameter and 12mm height for a substantial feel

Specifications

Brand
Fortis
Family
Cosmonaut
Model
Official Cosmonauts Day-Date
Reference
647.10.11
Movement
2836-2
Movement Features
  • Hours, Minutes, Seconds
  • Date, Day
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