Omega Seamaster Straps

The Omega Seamaster Diver 300M is one of the most-worn luxury watches in the world. The Seamaster 300, Aqua Terra and Railmaster aren't far behind. What they share is a 20mm lug width, a Co-Axial Master Chronometer movement built to last decades, and an owner who actually wears their watch — not one who locks it in a drawer.

This collection of aftermarket replacement straps is built specifically around the Seamaster family. Every strap is chosen for its compatibility with Omega's case proportions and finishing, not just its lug width. Sailcloth-effect FKM rubber for the Diver 300M (42mm, post-2018 references), where water resistance and durability are non-negotiable. Alligator-embossed leather for the Seamaster 300 (41mm) and Railmaster (38mm), where warm dial tones and vintage character reward a textured brown strap. Versatile options for the Aqua Terra (38mm–43mm), where the watch's dress-sport profile means the band can go either direction.

All replacement straps ship with quick-release spring bars pre-installed and a brushed stainless steel deployant clasp. No tools required to fit. Compatible with standard 19mm, 20mm, 21mm and 22mm lug widths across the Seamaster range.

Shop by model: Omega Seamaster Diver 300M Straps | Omega Seamaster Aqua Terra Straps | Omega Seamaster 300 & Omega Railmaster Straps

Shop by material: Omega Seamaster Leather Straps | Omega Seamaster Rubber Straps | Omega Seamaster Sailcloth Straps

Part of the full Omega Watch Straps collection