Strap matcher

Best straps for the Invicta Pro Diver 9937OB

20 mm lugs, 40 mm case, reference 9937OB. Try a strap below; the drawing is to scale.

Invicta Pro Diver 9937OB 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 Invicta Pro Diver 9937OB

Invicta Pro Diver 9937OB specs

Case
40 mm × 14 mm thick
Lug width
20 mm
Lug to lug
47 mm
Case material
stainless steel with gold-tone accents
Movement
Seiko NH35A, automatic
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 Invicta Pro Diver 9937OB

What size strap fits the Invicta Pro Diver 9937OB?

The Invicta Pro Diver 9937OB 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 Invicta Pro Diver 9937OB?

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

What strap looks best on the Invicta Pro Diver 9937OB?

Good options are a black rubber strap, a gold three-link bracelet, an olive NATO strap. Try them all on the drawing above.

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