THE REFERENCE LIBRARY Fortis

Official Cosmonauts Chronograph

REFERENCE638.10.11

The details behind the design.

Explore this Fortis reference, its specifications and its place in our watch archive.

Movement
Automatic
Calibre
7750
Explore the specifications

From the Superwatchman archive. A reference record, not an offer for sale.

A CLOSER LOOK

About this watch.

The ref. 638.10.11 Fortis Official Cosmonauts Chronograph has a stainless steel case of 42mm, housing the proven Valjoux / ETA 7750 movement. Somewhat of a cult classic, this watch and its predecessors have been part of countless space-missions over the last 20 years.

Explore more Fortis

THE DETAILS

Specifications.

Brand
Fortis
Collection
Cosmonautis
Reference
638.10.11
Limited edition
No
Crystal
Sapphire
Case back
Closed
Case shape
Round
Dial colour
Black
Frequency
28800 bph
Indexes
Arabic Numerals
Hands
Stick
Movement
Automatic
Power reserve
42 h
Calibre
7750

Archive details may be incomplete or dated. Confirm specifications with the manufacturer.