Collection: Seamaster 300

Replacement straps for Omega Seamaster 300

Looking for a strap for the Seamaster 300? The ones on this page are made to fit it. Other versions have their own pages: MoonSwatch and Speedmaster Moonwatch and Seamaster Planet Ocean 45.5 mm.

A lug width of 20 mm

Measure between the lugs of the Seamaster 300 and you will find 20 mm. The selection covers Rubber B vulcanised rubber straps as well as rubber straps by KronoKeeper. Compatible watches are listed on each product page. See all 20 mm watch straps for other materials.

Which buckle?

Some of these straps are designed for your existing buckle or clasp and some include one. The product page makes it clear.

How to fit it

You can fit the strap yourself with a spring bar tool from our watch strap tools. If it is your first time, follow how to change a watch strap. In Manila, our boutique can fit your new strap for you. For other models, go to straps for Omega.

Questions we often get

What size strap fits the Seamaster 300? A 20 mm strap, measured at the lugs. The width at the buckle is listed on the product page.

Does a strap for the MoonSwatch and the Speedmaster Moonwatch also fit the Seamaster 300? Usually. The two share a lug width and a number of straps; check the compatibility list on the product page. Take a look at MoonSwatch and Speedmaster Moonwatch.

Do I need a new buckle? Not always: certain straps take your existing buckle or clasp, and the product page tells you which.