Strap matcher

Best straps for the Omega Seamaster Diver 300M 42mm

20 mm lugs, 42 mm case, reference 210.30.42.20.01.001 (since 2018). Try a strap below; the drawing is to scale.

Omega Seamaster Diver 300M 42mm on a steel three-link bracelet
Strap
Colour: Steel
Strap width20 mm
At the buckle16 mm
Lug to lug50 mm

Looks that work on the Omega Seamaster Diver 300M 42mm

Omega Seamaster Diver 300M 42mm specs

Made
since 2018
Case
42 mm × 13.6 mm thick
Lug width
20 mm
Lug to lug
50 mm
Case material
stainless steel
Movement
Calibre 8800, automatic
Water resistance
300 m

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 Omega Seamaster Diver 300M 42mm

What size strap fits the Omega Seamaster Diver 300M 42mm?

The Omega Seamaster Diver 300M 42mm 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 Omega Seamaster Diver 300M 42mm?

The case is 42 mm across, and about 50 mm from lug tip to lug tip.

What strap looks best on the Omega Seamaster Diver 300M 42mm?

Good options are a black rubber strap, a black and grey stripe NATO 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.