Strap matcher

Best straps for the Fortis Marinemaster M-40

20 mm lugs, 40 mm case (since 2021). Try a strap below; the drawing is to scale.

Fortis Marinemaster M-40 on a steel three-link bracelet
Strap
Colour: Steel
Strap width20 mm
At the buckle16 mm
Lug to lug47 mm

Looks that work on the Fortis Marinemaster M-40

Fortis Marinemaster M-40 specs

Made
since 2021
Case
40 mm × 12.5 mm thick
Lug width
20 mm
Lug to lug
47 mm
Case material
stainless steel
Movement
Calibre UW-30, automatic
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 Marinemaster M-40

What size strap fits the Fortis Marinemaster M-40?

The Fortis Marinemaster M-40 takes 20 mm straps: its lug width is 20 mm. A leather strap will usually taper to 18 mm at the buckle.

How big is the Fortis Marinemaster M-40?

The case is 40 mm across, and about 47 mm from lug tip to lug tip.

What strap looks best on the Fortis Marinemaster M-40?

Good options are a cognac leather strap, a navy leather strap, a taupe suede strap. Try them all on the drawing above.

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