Fortis B-42 Flieger Chronograph

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B-42 Flieger Chronograph is a chronograph by Fortis.

Automatic pilot's chronograph by Fortis in the series "B-42 Flieger". Features: Display of day of the week and date indication. The watch is optionally available with white or black dial and bracelet with different variants.


White dial:

635.10.12 L 01 with black leather strap
635.10.12 M with steel bracelet Professional
635.10.12 K with rubber strap black

Black dial:

656.10.11 L with leather strap brown
656.10.11 M with steel bracelet Professional
656.10.11 K with rubber strap black


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


Stainless steel, brushed
Ø 42.0 mm, H ? mm
Sapphire crystal with anti-glare treatment on both sides
Raised dial with tachymeter scale
Steel caseback, screwed, with mineral glass window
Individual numbering
Waterproof to 200 m


Black / white
Luminous numerals, indices, hands with Superluminova
White dial: Skeleton hands with Superluminova illuminated top


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


Leather strap with tang-type buckle / optional: stainless steel bracelet or rubber strap with folding clasp


2 years