Strap matcher

Best straps for the Fortis B-42 Flieger Chronograph

22 mm lugs, 42 mm case, reference 635.10.11. Try a strap below; the drawing is to scale.

Fortis B-42 Flieger Chronograph on a black leather strap
Strap
Colour: Black
Strap width22 mm
At the buckle20 mm
Lug to lug (est.)49 mm

Looks that work on the Fortis B-42 Flieger Chronograph

Fortis B-42 Flieger Chronograph specs

Case
42 mm × 15 mm thick
Lug width
22 mm
Case material
stainless steel
Movement
Valjoux 7750, automatic chronograph
Water resistance
200 m

From the maker's published figures, gathered with AI help and not yet checked against a watch in hand. Measure your lugs before you buy.

Strap size for the Fortis B-42 Flieger Chronograph

What size strap fits the Fortis B-42 Flieger Chronograph?

The Fortis B-42 Flieger Chronograph takes 22 mm straps: its lug width is 22 mm. A leather strap will usually taper to 20 mm at the buckle.

How big is the Fortis B-42 Flieger Chronograph?

The case is 42 mm across, and about 49 mm from lug tip to lug tip.

What strap looks best on the Fortis B-42 Flieger Chronograph?

Good options are an oxblood leather strap, a steel three-link bracelet, a grey suede strap. Try them all on the drawing above.

Sizes come from published specs. Check yours before you buy: how to measure lug width.