Fortis B-42 Official Cosmonauts Chronograph Alarm

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

Automatic pilot's chronograph in the series "Official Cosmonauts" with additional mechanical alarm function. The red window next to the date indicates visually the operational readiness of the alarm. Large stainless steel case with 42 mm diameter.


639.22.11 L with black leather strap
639.22.11 M with steel bracelet Professional
639.22.11 K with rubber strap black


Self-winding chronograph movement with integrated alarm function F2001-5 (basis ETA 7750), 28,800 A/h
32 jewels
Precision regulation, Incabloc shock protection
Movement and rotor decorated
Power reserve 50 h


Stainless steel, brushed
Ø 42.0 mm, H 16 mm
Unidirectional rotating black bezel (60s graduation) with 60 minutes scale
Sapphire crystal with anti-glare treatment on both sides
Steel caseback, screwed, caseback embossing with the emblems of the space institutions
Individual numbering
Waterproof to 200 m


Luminous numerals, indices, hands with Superluminova


Hours, minutes, small seconds, date
Chrono function, alarm function
Hacking seconds
Triangles at 3 o'clock to illustrate the direction of crown rotation for quick setting of all functions


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


2 years


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.