Fortis B-42 Official Cosmonauts Chronograph Titanium

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B-42 Official Cosmonauts Chronograph Titanium is a wristwatch by Fortis.

Sequel to the classic model Fortis Official Cosmonauts Chronograph: after the model with enlarged case diameter of 42 mm now the version in titanium.

Since the beginning of the European-Russian space mission 1994, an extraordinary ceremony for the cosmonauts and astronauts takes place in orbit before their start. Because of its reliability, the crew receives the Fortis automatic chronograph as an official piece of equipment. The automatic chronograph movement wound up by the kinetic energy of the wearer ensures the independence of battery power - a mechanism that allows a precise measurement of time in emergency situations. The good quality of the chronographs is confirmed by the Russian Space Agency and the Training Center Star City with the embossing of their official emblems on the caseback.

The third watch generation of the Official Cosmonauts is made of titanium, and the control elements are covered with rubber. Thus, the requirements of the spaceman for the lowest possible weight and high functionality is taken into account. The most valued material properties of titanium include its high strength and anti-allergic quality.


659.27.11 M with titanium bracelet
659.27.11 L with black leather strap
659.27.11 K with rubber strap black


Self-winding chronograph movement Valjoux 7750, 28,800 A/h
25 jewels
Precision regulation, Incabloc shock protection
Power reserve 50 h


Titanium brushed
Ø 42.0 mm, H 15 mm
Unidirectional rotating black bezel (60s graduation) with 60 minutes scale
Raised dial with tachymeter scale
Sapphire crystal with anti-glare treatment on both sides
Titanium bottom, screwed
Crown and pushers with rubber coating
Caseback embossing with space emplems
Waterproof to 200 m


Hours, minutes, small seconds
Day of week, date
Hacking seconds
Chrono function
Triangles to illustrate the direction of rotation crown for quick adjustment of all functions


Luminous numerals, indices, hands with Superluminova


Stainless steel bracelet with folding clasp
Optional: leather strap with tang-type buckle or rubber strap with folding clasp


Official Cosmonauts Set: Since 1994, the set is part of the official equipment of the cosmonauts. The high-quality leather set bears the official emblems on the obverse.
Set of equipment: watch with steel bracelet, leather strap, Velcro or rubber strap, special tool to change as well as a metal box for storage of accessories.


2 years