Strap matcher

Best straps for the San Martin BB58 Diver

20 mm lugs, 39 mm case. Try a strap below; the drawing is to scale.

San Martin BB58 Diver on a steel three-link bracelet
Strap
Colour: Steel
Strap width20 mm
At the buckle16 mm
Lug to lug47.5 mm

Looks that work on the San Martin BB58 Diver

San Martin BB58 Diver specs

Case
39 mm × 12 mm thick
Lug width
20 mm
Lug to lug
47.5 mm
Case material
stainless steel
Movement
Seiko NH35, 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 San Martin BB58 Diver

What size strap fits the San Martin BB58 Diver?

The San Martin BB58 Diver 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 San Martin BB58 Diver?

The case is 39 mm across, and about 47.5 mm from lug tip to lug tip.

What strap looks best on the San Martin BB58 Diver?

Good options are a black rubber strap, an olive NATO strap, a chocolate suede strap. Try them all on the drawing above.

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