Strap matcher

Best straps for the Omega Seamaster Planet Ocean Ultra Deep 45.5mm

21 mm lugs, 45.5 mm case, reference 215.30.46.21.01.001 (since 2022). Try a strap below; the drawing is to scale.

Omega Seamaster Planet Ocean Ultra Deep 45.5mm on a steel three-link bracelet
Strap
Colour: Steel
Strap width21 mm
At the buckle17 mm
Lug to lug (est.)53 mm

Looks that work on the Omega Seamaster Planet Ocean Ultra Deep 45.5mm

Omega Seamaster Planet Ocean Ultra Deep 45.5mm specs

Made
since 2022
Case
45.5 mm × 18.1 mm thick
Lug width
21 mm
Case material
O-MEGASTEEL stainless steel
Movement
Calibre 8912, automatic co-axial Master Chronometer
Water resistance
6000 m
Nickname
Ultra Deep

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 Omega Seamaster Planet Ocean Ultra Deep 45.5mm

What size strap fits the Omega Seamaster Planet Ocean Ultra Deep 45.5mm?

The Omega Seamaster Planet Ocean Ultra Deep 45.5mm takes 21 mm straps: its lug width is 21 mm. A leather strap will usually taper to 19 mm at the buckle.

How big is the Omega Seamaster Planet Ocean Ultra Deep 45.5mm?

The case is 45.5 mm across, and about 53 mm from lug tip to lug tip.

What strap looks best on the Omega Seamaster Planet Ocean Ultra Deep 45.5mm?

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.