Curved Rubber Strap for Omega Seamaster 300 Series Planet Ocean 600 – 20/22mm

The Planet Ocean 600’s case has a curved lug profile — and a straight-end rubber strap meeting a curved lug leaves a gap that a correctly specified strap doesn’t. The Omega Seamaster 300 / Planet Ocean 600 Curved Rubber Strap closes that gap: a curved end engineered to follow the lug geometry of these references precisely, available in 20mm and 22mm, in rubber that performs across everything these watches are rated for, with a pin buckle in Silver, Gold, or Rose Gold to match the watch’s own metal configuration. The fit and the finish, addressed together.

Curved End. Matched Buckle. Exact Omega Fit.

• Curved end design — the fit detail the Planet Ocean 600 requires — the Seamaster 300 and Planet Ocean 600 carry a curved lug profile that most aftermarket rubber straps don’t accommodate. A straight-end strap fits the lug width but not the lug curve, leaving a visible step at the case-strap transition that a correctly curved end eliminates entirely. This strap’s end link follows the case geometry of these specific references, producing the flush, unbroken join that makes the strap read as part of the watch rather than an addition to it.
• Rubber construction — rated for the Planet Ocean 600’s intended environments — the Planet Ocean 600 is rated to 600 metres — a depth rating that implies a strap capable of matching it. Rubber is genuinely water-resistant, resistant to saltwater and chlorine, and flexible across the temperature range from cold-water diving to surface heat. It performs in the environments both the Seamaster 300 and Planet Ocean 600 were designed for, without the care requirements of leather or the weight of the original bracelet.
• 20mm and 22mm — both lug widths for both references — the Seamaster 300 and Planet Ocean 600 run across both lug widths in their reference ranges. Both are available with the curved end geometry, each built correctly for its respective case and seating flush at the lug without gap or overhang.
• 120mm + 85mm — sized for the active wrist — the 120mm long section accommodates a broad wrist range including the larger wrists these substantial cases often suit, while the 85mm short section gives generous adjustability and positions the pin buckle correctly without the tail overrunning the keeper.
• Pin buckle in Silver, Gold, or Rose Gold — matched to the watch’s metal — the Seamaster 300 and Planet Ocean 600 come in steel, yellow gold accent, and rose gold accent configurations. The three buckle finishes map precisely to those configurations: Silver for fully steel references, Gold for yellow gold variants, Rose Gold for the rose gold-detailed editions. A rubber strap with a correctly finished buckle reads as a considered configuration rather than a generic rubber band.

For the Planet Ocean 600 Owner Who Gets Both the Fit and the Finish Right.

There are two details most rubber straps for these references get wrong — the end geometry (straight instead of curved) and the buckle finish (silver regardless of the case metal). This strap addresses both: curved end for the correct lug fit, three buckle finishes for the correct hardware match. The result is a rubber strap that reads as intentional rather than approximate on a watch that deserves the precision.

This strap is the right choice for:

• Planet Ocean 600 owners who have tried straight-end rubber straps, noticed the gap at the lug, and specifically want the curved end that resolves it.
• Yellow gold and rose gold variant owners for whom the Gold and Rose Gold buckle finish options finally provide hardware that coordinates with their case metal rather than contrasting with it.
• Active divers and swimmers who want rubber’s water-resistance credentials matched to the Planet Ocean 600’s own depth rating — the material and the watch in alignment.
• Detail-conscious buyers who want both the fit and the finish addressed in a single purchase rather than accepting a straight-end strap with a mismatched silver buckle as the only available option.

Specifications

Curved fit, matched buckle, both widths available. Add to cart and get it right on the first try.