Strap matcher

Best straps for the Sinn 155

20 mm lugs, 43 mm case. Try a strap below; the drawing is to scale.

Sinn 155 on a black leather strap
Strap
Colour: Black
Strap width20 mm
At the buckle18 mm
Lug to lug (est.)50.5 mm

Looks that work on the Sinn 155

Sinn 155 specs

Case
43 mm
Lug width
20 mm
Case material
stainless steel
Movement
Lemania 5100, automatic chronograph
Water resistance
200 m

We couldn't confirm these sizes from a published spec sheet, so they're our best estimate. Measure your lug width before you buy: here's how.

Strap size for the Sinn 155

What size strap fits the Sinn 155?

The Sinn 155 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 Sinn 155?

The case is 43 mm across, and about 50.5 mm from lug tip to lug tip.

What strap looks best on the Sinn 155?

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.