Strap matcher

Best straps for the Seiko Essentials

20 mm lugs, 40.2 mm case, reference SUR305. Try a strap below; the drawing is to scale.

Seiko Essentials on a steel three-link bracelet
Strap
Colour: Steel
Strap width20 mm
At the buckle16 mm
Lug to lug (est.)47 mm

Looks that work on the Seiko Essentials

Seiko Essentials specs

Case
40.2 mm × 10 mm thick
Lug width
20 mm
Case material
stainless steel
Movement
Calibre 6N52, quartz
Water resistance
100 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 Seiko Essentials

What size strap fits the Seiko Essentials?

The Seiko Essentials 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 Seiko Essentials?

The case is 40.2 mm across, and about 47 mm from lug tip to lug tip.

What strap looks best on the Seiko Essentials?

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.