Strap matcher

Best straps for the Marathon General Purpose Mechanical (GPM)

18 mm lugs, 34 mm case, reference WW194003 (since 2013). Try a strap below; the drawing is to scale.

Marathon General Purpose Mechanical (GPM) on an olive NATO strap
Strap
Colour: Olive
Strap width18 mm
At the buckle18 mm
Lug to lug40 mm

Looks that work on the Marathon General Purpose Mechanical (GPM)

Marathon General Purpose Mechanical (GPM) specs

Made
since 2013
Case
34 mm × 11 mm thick
Lug width
18 mm
Lug to lug
40 mm
Case material
fibreshell (high-impact composite)
Movement
Sellita SW200 / ETA 2801 variant, hand-wound
Water resistance
60 m
Nickname
GPM

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 Marathon General Purpose Mechanical (GPM)

What size strap fits the Marathon General Purpose Mechanical (GPM)?

The Marathon General Purpose Mechanical (GPM) takes 18 mm straps: its lug width is 18 mm. A leather strap will usually taper to 16 mm at the buckle.

How big is the Marathon General Purpose Mechanical (GPM)?

The case is 34 mm across, and about 40 mm from lug tip to lug tip.

What strap looks best on the Marathon General Purpose Mechanical (GPM)?

Good options are a tan leather strap, a taupe suede strap, an admiralty grey NATO strap. Try them all on the drawing above.

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